Wednesday, July 17, 2024

EXPLORATION SCENARIO FOR COPPER LEAD AND ZINC IN INDIA

Overview of Copper, Lead and Zinc Exploration in India

India holds substantial reserves of copper, lead and zinc, which are primarily located in the regions of Rajasthan, Jharkhand, and Madhya Pradesh. Despite having significant reserves, the exploration intensity, measured by exploration expenditure per square kilometer, is relatively low compared to global standards. This indicates substantial growth potential in exploration activities.

India's relatively low expenditure per square kilometer can be attributed to several factors including less intensive exploration activities, regulatory challenges, and sometimes the focus on expanding known deposits rather than greenfield exploration.

Exploration Efforts

India is deficient in its resources for base metal and has a poor resource-cum reserve base despite having the geological potential for large resources. The scarce resource base for base metals needs special attention for their exploration as they consume a lot of foreign exchange for their imports.

A strategy has to be evolved for an integrated approach towards exploration of these minerals. Data generated in course of geological mapping activities has helped GSI in identifying favorable geological domain (OGP) for base metal mineralisation over an area of 192606.49 sq. km area in India. GSI has renewed its efforts for systematic exploration for base metals throughout the country by focussing on the OGP areas in various states.

An area of 1.926 lakh sq. km (0.19 million sq. km) area has been delineated in the year 2020 to be potential for base metal occurrence in the country based on distribution of more than 200 prospects, nearly 920 occurrences of base metals, genetic association, geological set-up etc. The base metal potential areas are distributed in the States of Rajasthan, Karnataka, Gujarat, Madhya Pradesh, Jharkhand, Chhattisgarh, Odisha, Arunachal Pradesh, Andhra Pradesh, Maharashtra, West Bengal, Uttar Pradesh, Goa, Haryana, Kerala, Tamil Nadu, Manipur, Telangana, Himachal Pradesh, Sikkim, Meghalaya, Nagaland, Jammu & Kashmir, Bihar, Assam and Uttarakhand in the order of extent of geologically potential areas.

Copper, Lead and Zinc exploration projects by GSI since 2012

Year

No. of Projects

2012-13

22

2013-14

41

2014-15

67

2015-16

92

2016-17

117

2017-18

150

2018-19

187

2019-20

244

 

Resources:

Copper

The total resources of copper ore as on 1.4.2015 (as per IMYB 2018) is estimated at 1.51 billion tonnes as per UNFC system. Of these, 207.77 million tonnes (13.74%) fall under 'reserves'. Of the total ore resources, 8.28 million tonnes (0.55%) comprise ore containing 1.85% Cu or more and 657.92 million tonnes (43.53%) 1% to below 1.85% Cu grade. With regard to reserves, there were no reserves above 1.85% Cu grade. However, 203.83 million tonnes fall under 1.0% to below 1.85% Cu grade.

The total copper metal content in the resources is 12.16 million tonnes of which 2.73 million tonnes constitute reserves. Largest resources of copper ore to a tune of 813 million tonnes (53.81%) are in the state of Rajasthan followed by Jharkhand with 295 million tonnes (19.54%) and Madhya Pradesh with 283 million tonnes (18.75%). Copper resources in Andhra Pradesh, Gujarat, Haryana, Karnataka, Maharashtra, Meghalaya, Nagaland, Odisha, Sikkim, Tamil Nadu, Telangana, Uttarakhand and West Bengal accounted for remaining 7.9% of the total all India resources.

Lead-Zinc

The total resources of lead and zinc ores as on 1.4.2015 as per UNFC system, are estimated at 749.46 million tonnes. Of these, 106.12 million tonnes (14.16%) fall under 'reserves' category while balance 643.34 million tonnes (85.84%) are classified as 'remaining resources. The resources of ore containing + 10% Pb & Zn were estimated at 124.23 million tonnes, ore containing 5 to 10% Pb & Zn were 329.88 million tonnes and ore containing less than 5% Pb& Zn were 295.35 million tonnes.

The total metal content in resources of lead is 13 million tonnes Lead and that of zinc is 36.36 million tonnes and for lead zinc metal is 0.14million tonnes. In terms of reserves, 2.48 million tonnes of lead metal and 9.99 million tonnes of zinc metal have been estimated. Rajasthan is endowed with the largest resources of lead-zinc ore amounting to 670.34 million tonnes (89.44%), followed by Andhra Pradesh 22.69 million tonnes (3.03%), Madhya Pradesh, 14.84 million tonnes (1.98%), Bihar 11.43 million tonnes (1.52%) and Maharashtra 9.27 million tonnes (1.24%). Resources are also established in Gujarat, Meghalaya, Odisha, Sikkim, Tamil Nadu, Uttarakhand and West Bengal (IBM YB 2019).

Planning for the next five years should involve exploration strategy to

1. Discover deeper extensions (>500m) of known deposits and prospects and also to identify potential mineralization under cover. Application of 3D seismic and magneto-telluric surveys which are increasingly used to discover base metal mineralization >300m from the surface.

2. For regional-scale, an integrated approach involving geology, geochemistry, remote sensing and aero geophysical data, with focus on volcano-sedimentary sequences of Archean and Proterozoic age can help delineate zones for more detailed exploration. A first order empirical guide will be to prioritize areas with altered submarine volcanic rocks for VMS deposits and carbonate-associated sedimentary sequences for SEDEX and MVT-type deposits. For vein-type and intrusion-related Cu-mineralization younger granites of calc-alkaline affinity should be seen as source rocks.

3. Focus on large greenstone belts and volcano-sedimentary belts for VMS, SEDEX and intrusion related base metal deposits. For example, Central Indian Tectonic Zone is important with several volcanic and sedimentary sequences such as Betul Belt, Sausar Belt and Mahakoshal Belt.

4. Emphasis on Archean Dharwar greenstone belts for Cu-Au VMS deposits and younger calc-alkaline granitoids for porphyry-type Cu ± Au ± Mo deposits.

5. Search for base metal deposits in the Archaean cratonic part of Jharkhand - Odisha region and Singhbhum shear zone.

6. Margins of Archean Cratons like Bastar, Dharwar and Bundelkhand to search for IOCG-type mineralization

7. The Aravalli-Delhi belt still remains one of the most prospective terrains for discovering large VMS, SEDEX and IOCG-type deposits. The exploration strategies for these areas should involve targeting concealed mineralization through potentially covered unconsolidated sediments of a general thickness of 80m to 150m.

8. New exploration strategies to be applied for the covered terrains (greenfield areas) for the entire concealed part of Rajasthan State for expanding mineral search space for base metal mineralization by carrying the techniques being evolved in UNCOVER (India), northern transect.

9. The selective greenfield targeting projects for covered terrains of Western Region should involve creation of buried topography, predictive geological map, distal foot printing of mineralization, application of integration geoscience and mineral system in the covered terrains of Western Region and later to the other areas.

Exploration Opportunities

Augmentation of copper ore resources in the country can be achieved through further inputs for intensive exploration with an aim of firming up and upgradation of reserve figures in known prospects and in the extension areas of the known or established deposits. The three prominent belts, where copper deposits are located include Singhbhum Copper Belt (SCB), Khetri Copper Belt and Malanjkhand Copper Belt. In Rajasthan, copper mineralisation is mainly associated with Delhi Supergroup. Many occurrences of copper have been recorded in the basement rocks as well. Some copper prospects are located in the lead-zinc belts associated with the Aravalli rocks. In central India, search for granite host rocks similar to Malanjkhand with Mesoproterozoic age and calc-alkaline signatures can be a potential tool.

Obvious Geological Potential Areas for Copper, Lead and Zinc

States

OGP Areas (in sq. km)

Rajasthan

67995.71

Karnataka

35572.67

Gujarat

12948.79

Madhya Pradesh

12144.29

Jharkhand

10227.95

Chhattisgarh

8781.29

Odisha

6574.91

Arunachal Pradesh

6354.49

Andhra Pradesh

6336.41

Maharashtra

5174.21

West Bengal

3010.54

Uttar Pradesh

2795.89

Goa

2361.73

Haryana

2346.9

Kerala

1440.42

Tamil Nadu

1302.37

Manipur

1135.36

Telangana

1093.11

Himachal Pradesh

1033.86

Sikkim

992.04

Meghalaya

852.86

Nagaland

712.98

Jammu & Kashmir

454.42

Bihar

288.44

Assam

224.27

Uttarakhand

90.83

All India OGP-2020 for Base metals

192606.49

 

Keeping in view the prospects, future targets of exploration for copper and associated metals may be identified in Dariba-Bethumbi Belt, Jahazpur Belt, Pur-Banera Belt for copper-lead-zinc-gold, Jasma-Akola-Bhinder Belt, parts of South Delhi Fold belt, South Khetri Belt, Ajmer metallogenic district and Salumber-Dhariwad belt in Rajasthan and in extension areas of South Delhi Fold Belt in Gujarat. The South Khetri Copper Belt is relatively less explored.

Most of the lead zinc mines of the country occur in the Proterozoic fold belts in the western Indian shield. In the Precambrian shield of the western India as well as in the other shield areas, several smaller and medium grade lead-zinc deposits have been identified and explored. Number of occurrences of leadzinc have been recorded from the Himalayan region, particularly in the Lesser Himalayan Zone, comprising Precambrian rocks, tectonically disturbed and deformed during the younger mountain building movements. Application of modern exploration techniques with emphasis on airborne and deep – probing geophysical methods may help in identifying new deposits in the above area. There are several occurrences associated with greenstone sequences in the Dharwar Craton (Kalyadi, Ingaldhal etc). Base metal deposits are also known in the Cuddapah sedimentary rocks (Agnigundala, Zangamrajapalli, Markapur etc). Fault-related copper-mineralization is known to occur in the granitic terrain of eastern Dharwar Craton (Tintini, Kallur etc). Extension of these areas has to be studied in detail.

Potentially covered large terrains of Western India over North Delhi Fold belt, Aravalli Region is essentially a key Region giving opportunity for next generation base metal mineral deposits in the country. In these areas the targeted Geoscience Goals should include,

i.            Basement surface elevation or buried topography.

ii.            Exploring effectively and efficiently through cover.

iii.            Managing drill hole data, magnetic data for mapping through cover.

iv.            Preparation of predictive geological map and tracing the concealed structures.

v.            Groundwater and Calcrete studies for distal foot printing of mineral deposits.

vi.            Subsurface movement of groundwater and its possible linkage with mineral belts, host lithology, delineating buried rock type etc.

vii.            Understanding mineral dispersion through cover.

viii.            Designing and progressing efficacy of geochemical sampling techniques in the buried terrains.

 ix.            Establishing links to magnetic/ gravity anomaly in the subsurface with secondary dispersion record in calcrete, groundwater, lithology etc. and deriving metallogenic implications.

x.            Exploratory drilling and characterizing geophysical domains and updating the predictive geological and buried topography map of the area in the second year of the project.

With an objective to deliver,

a.       First hand buried topographic map.

b.       First hand predictive geological map of buried terrain.

c.       Making of structural interpretive map by integration geoscience.

d.       Distal foot-printing of geochemical anomalous zones in buried terrain.

e.       Delineation of areas for furthering dense geophysical and geochemical data acquisition by integration geoscience.

f.        Exploratory drilling is expected to lead in bringing out new buried belts, extension of known mineral belts below cover etc.

g.       These works will result in exploratory drilling to decipher the areas for characterizing geochemical, geophysical signatures to increase the chance of concealed mineral deposits. 

Challenges

Exploration:

The discovery of new deposits based on surface indications will be extremely remote considering that most known areas have already been explored. The challenge is to find base metal deposits in new areas/ concealed terrain within volcano-sedimentary sequences and those associated with intrusive rocks. This will require the acquisition of high-resolution aeromagnetic data and its integration with other geological and ground-geophysical data. Also, modern concepts of mineral systems and their understanding is crucial in identifying potential terrains. Researching and mineral targeting in green field regions is vital in the country. Discovering new deposits/area is essential requirement to keep continuous supply of minerals to fulfil country’s needs. Selecting the most suitable area, geological field and terrain will assist in making the exploration easy, cheap and quick. Geophysical studies play a vital role in exploration of buried ore deposit.

Geophysical exploration may be used with advantage to locate boundaries between different elements of the subsoil as these procedures are based on the fact that the gravitational, magnetic, electrical, radioactive or elastic properties of the different elements of the subsoil may be different.

A large part of basement areas of Rajasthan, Gujarat, Haryana, Uttar Pradesh etc., are covered with unclassified sediments posing challenges to the mineral exploration geoscientists. Geological basement favourable for mineralization in parts Rajasthan are mostly covered with windblown sand having variable thickness. Generally, the thickness of cover sediments is thinner near outcropping areas and the depth of cover range from 80m to 150m in parts of Churu, Jhunjhunu, Sikar, Alwar districts of Rajasthan. The basement geology of major parts of Gujarat, Uttar Pradesh, Haryana, Bihar is masked with unclassified sediments.

Processing and Analysis

Since base metals are associated with a wide-range of associated ore metals it is important to have high-quality analytical support for analyzing the entire spectrum of associated trace elements. These trace elements form important by-products and add value-addition to the primary ore assemblages. High precision ICP-AES analyses is essential for low concentration (ppm) levels.

Beneficiation:

As per SOP, the mineralized cores are sent for beneficiation studies to the Mineral Processing Laboratory like IBM for beneficiation study to understand the metal recovery from a particular ore type. About 50-100 kg of each mineralized core samples having assay above cut off values is to be collected for bench scale beneficiation study with an objective to assess the feasibility of Cu, Pb or Zn up- gradation suitable for smelter. Bond’s ball mill work index of the host rocks is to be determined at the ground product -150# (-105 microns), which is the product size as per BWI standard procedure (DID base metal2012).

Beneficiation of base metals face several constraints including 1. Complex nature of ores, 2. intergrowth of silicate and ore, 3. Presence of deleterious elements like graphite etc. In this scenario, the beneficiation is more or less custom-made for individual mines and plants taking into account the nature of ore and associated gangue minerals.

Copper ore from the mine is processed to yield copper cathodes which are basically 99.99% pure copper. Common type of copper ore is copper oxide and copper sulphide, which undergo different processes. Copper oxide is processed through hydrometallurgy whereas, copper sulphide is processed through pyrometallurgy. Lead and zinc ores are pre concentrated by gravity methods, employing heavy mineral separation, jigging and tabling depending on liberation size and ultimately concentrated by xanthate flotation. Usually lead sulphides are selectively floated from the ore followed by activation and separation of zinc in case of complex lead-zinc ores. Bulk flotation followed by separation of lead and zinc differential flotation is not uncommon.

Mineralogical characterization:

A complete and comprehensive analyses and characterization of the associated ore minerals and alteration assemblages are vital to develop exploration strategies in existing prospects/mines as well as regionally to select areas for more detailed exploration. Petrographic studies of the host rocks and the ore mineral assemblage bears significant role in understanding the nature and control of mineralization in a particular mineral system. Besides these, the paragenetic sequence, textural relationship and ore mineral assemblages tell a lot about the deposit type and genesis of the ore deposit. Ore mineral assemblages of a deposit and their geochemistry have great significance in describing the type of depositional environment. SEM/EPMA studies of ore assemblage will help in identifying trace elements, for example, to identify presence of Au, Ag, Re, Pt, Pd in Cu-rich porphyry systems. It is well-known that several alkaline porphyry copper deposits are sometimes also enriched in Pt-Pd, which can be recovered as valuable by-products. LA-ICP-MS analyses of sulphides are increasingly used to understand ore-genesis, thereby facilitating the fingerprinting of depositional processes and mineral system type. This can be effectively used as a rapid assessment tool in base metal exploration to distinguishing economically important prospects/zones from those of relatively lesser significance.

Future Research & Development

The mineral system concepts and models can be translated into effective exploration targeting criteria and serve as the basis of forceful, testable exploration models. Base metal deposits are predominantly hydrothermal in nature and mineral system concepts of source, driver, pathway and depositional gradients are particularly pertinent. In this scenario, emphasis should be laid on mineral-system wise targeting. In the Indian scenario, mineral system classification has not gained much importance and application. Initially, all known deposits and prospects should be re-assessed from the point of modern basis of classification schemes. A mineral-system scheme provides important clues and proxies for extending exploration regionally (district-scale) as well as locally (deposit-scale).

 

References:

  1. A Brief on Exploration for Base metal Mission in India – 2020 – GSI Publication
  2. Mineral Exploration in India at a Glance -2020 – GSI Publication

Monday, April 29, 2024

Copper as a Critical Mineral for India

Copper is considered a critical mineral for India for several reasons:

1.    Economic Importance: Copper is a vital component of the global economy and is widely used in various industries, including construction, electrical and electronics, transportation, and telecommunications. In India, the demand for copper is driven by infrastructure development, urbanization, and industrialization.

2.    Infrastructure Development: As India continues to invest in infrastructure development, the demand for copper in construction, power generation, and transportation sectors increases. Copper is essential for electrical wiring, plumbing, and various building components.

3.    Electrical and Electronics Industry: The growth of the electrical and electronics industry is a major driver of copper demand. Copper is a key material for electrical wiring, transformers, motors, and other electronic components. With the increasing use of electronic devices and renewable energy technologies, the demand for copper is expected to rise.

4.    Power Generation and Transmission: Copper is crucial for the power sector, especially in power generation, transmission, and distribution. It is widely used in power cables, transformers, and other electrical equipment. As India focuses on expanding its power infrastructure, the demand for copper is likely to grow.

5.    Automotive Industry: Copper is used in various components of automobiles, including wiring, radiators, and connectors. With the growth of the automotive sector in India, driven by increasing urbanization and disposable income, the demand for copper in this industry is expected to rise.

6.    Renewable Energy: Copper is a key material in renewable energy technologies such as solar panels, wind turbines, and electric vehicles. As India seeks to increase its renewable energy capacity, the demand for copper in these technologies will likely escalate.

7.    Supply Chain Security: Ensuring a stable and secure supply of copper is essential for India's industrial growth. Dependence on imports without a reliable domestic source could pose challenges, making copper a critical mineral for ensuring the security of the supply chain.

8.    Global Trends: Internationally, copper is recognized as a critical mineral due to its importance in various industries and the transition to a low-carbon economy. As India aligns itself with global sustainability goals, the demand for copper in environmentally friendly technologies will likely increase.

Ensuring a steady and secure supply of copper is crucial for India's economic growth, industrial development, and the achievement of its sustainability and energy goals.

1. Copper and the World

·         Chile accounted for almost a third of copper mine production & Peru accounted for 10 % of world mine production in 2020.

·         In 2020, China accounted for almost 50% of world smelter production, followed by Japan (8%), Chile (6%) & Russian federation (5%).

·         China accounted for 41 % world refined copper production, followed by Chile (10%), Japan (6%) and Congo (5%) in 2020.

Global level consumption

In the Year 2020 the World Refined Copper Consumption was 24.989 million tonnes whereas World Mine production was 20.634 million tonnes as copper metal & Refined Copper production was 24.51 million tonnes.

The global lockdown in 2020 led to a temporary reduction in refined copper uses in particular on ex-China basis. However, sustained growth in copper demand is also expected to continue as copper is essential to economic activity and even more so to the modern technological society. Infrastructure development in major countries such as China and India and the global trend towards cleaner energy and electric cars will continue to support copper demand in the longer term.

World ex-China refined copper usage declined by 9.5% in 2020 but it is expected to recover by 6.5 % in 2021 mainly due to general improvement in world economic conditions and manufacturing activity.

In contrast, Chinese apparent usage increased sharply in 2020 due to notable increase in imports of refined copper and is forecast to fall by 5 % this year as the quantity of refined copper imported is likely to be significantly lower. According to estimates by various consultants, real Chinese uses may grow by 3%.

For 2022, an expected continued recovery in the world economy will benefit copper end use sectors and should help sustain global growth of about 2.5% percent.

World refined copper balance for 2020 indicates an apparent deficit of about 560,000 t due to a strong Chinese apparent usage.

Over the first nine months of 2021, the World refined copper balance indicated a deficit of about 1,60,000 tonnes.

(Source: ICSG press release dated 7.10.21, 20.10.2021 & 20.12.21 – Copper: International Copper Study Group (ICSG) World Copper Fact book 2021)

2. Copper and lndia

Hindustan Copper Limited (HCL) was the sole producer of refined copper till 1995 and the focus was on vertical integration so that the entire quantity of ore produced in its mines was converted into copper cathode and ultimately, wire rod. After liberalization of the economy, the copper segment of industry has transformed significantly. Currently, three major players dominate the Indian copper industry. Hindustan Copper Limited (HCL) in Public Sector, M/s Hindalco Industries Ltd and M/s Vedanta in private sector, having current total installed refined copper capacity in the country 10.28 lakh tonnes. The capacity wise details are furnished below: -

Sl#

Company

Refined Copper Production Capacity (Tonne)

Type of Copper Producer

Location

Actual Production (Tonne)

2017-18

2018-19

2019-20

2020-21

2021-22

1

HCL

68,500

CPSE (integrated producer)

Ghatsila, Jharkhand & Jhagadia, Gujarat

25,949

16,215

5,340

Nil

620.7*

2

Birla

5,00,000

Private (Port based custom smelter)

Dahej, Gujarat

4,13,806

3,47,000

3,25,568

2,62,203

3,58,890

3

Sterlite

4,60,000

Private (Port based custom smelter)

Tuticorin, Tamilnadu & Silvasa, Daman and Diu

4,03,206

90,000

77,490

1,01,435

1,25,104

Total

10,28,500

 

 

8,42,961

4,53,215

4,08,398

3,63,638

484615

Source: Ministry of Mines, Government of India website

HCL is the only vertically integrated copper producer in the country, while M/s Hindalco (plant at Dahej in Gujarat) and M/s Sterlite Industries (plant at Tuticorin in Tamil Nadu which is closed since May 2018) have setup port based custom smelting and refining plants. The total annual consumption of refined copper within the country is around 6.6 lakh tonnes during 2020-21.

HCL is the only producer of copper ore in the country. Copper ore production of HCL during last few years is in the range of 4.0 million tonne per annum (Mtpa) which is equivalent to 4.5% of the country’s requirement in terms of copper metal. HCL Owns all the operating mining leases in the country, mine expansion is under way, significant mining capacity expansion to be achieved from 4.0 Mtpa to 12.2 Mtpa in Phase I by FY 2028-29 and thereafter from 12.2

Mtpa to 20.2 Mtpa in Phase II. India is not self-sufficient on Copper mineral because of its low reserve/resource base. Custom Smelters in Pvt sector, imports copper concentrate as raw material to convert it into Refined copper. Currently the refined copper produced in India meets the Country’s demand to a certain extent and balance requirement is fulfilled by import.

Domestic level consumption

·         The total consumption of refined copper in the country in 2020 is around 6.60 lakh tonnes.

·         Electrical/Electronic Industry is by far the largest consumer of copper, where it is used in the form of cables, winding wires as it is the best non-precious metal conductor of electricity as it encounters much less resistance and is safe for electrical distribution system from high voltage transmission cables to micro-circuits.

·         Copper demand in electrical segment is growing due to demand in infra sector as a result of affordable housing schemes, rural electrification and more urbanization.

·         Copper demand in India is expected to grow due to increased thrust of Govt. of India towards "make in India" and "Smart City" programme, Atmanirbhar Bharat in Defense, 100 GW target for Renewable Energy by 2022, PLI schemes for Consumer electronics industry, Accelerated growth for Electric Vehicles and which will drive the demand of copper in the country.

·         Copper is essential to EV technology and its supporting infrastructure, and the increase in the electric vehicles in the market will have a substantial impact on copper demand. The projected demand for copper due to electric vehicles is expected to increase by 1.7 million tonnes by 2027.

·         The per capita copper consumption in India is expected to increase from the current level of 0.6 Kg to 1 kg in coming years. The average per capita copper consumption in the world is 3.2 kg. If India’s per capita copper consumption moves towards the per capita copper consumption levels in the rest of the world, India’s copper market has the potential for significant growth.

(Source- IBM - Indian Minerals Yearbook 2019 & ICSG Factbook 2021) 

3. Expected Growth / Projections of copper sector by 2030 (short term)


India's Internal Apparent Demand Forecast of Copper 2023-24 to 2049-50
(Base Year 2023-24 demand of 1522 thousand tonnes)
(In '000 Tonnes)

Year

Apparent Demand at CAGR 12.2%

Apparent Demand at GDP 9%

2023-24

1522

1522

2024-25

1708

1659

2025-26

1916

1808

2026-27

2150

1971

2027-28

2412

2148

2028-29

2706

2342

2029-30

3036

2553

 

 

4. Expected Growth / Projections of copper covering Amrit Kal (Long term)

Table. India's Internal Apparent Demand Forecast of Copper 2023-24 to 2049-50 (Base Year 2023-24 demand of 1522 thousand tonnes)

Year

Apparent Demand at CAGR 12.2%

(In '000 Tonnes)

Apparent Demand at GDP 9%

(In '000 Tonnes)

2023-24

1522

1522

2024-25

1708

1659

2025-26

1916

1808

2026-27

2150

1971

2027-28

2412

2148

2028-29

2706

2342

2029-30

3036

2553

2030-31

3407

2782

2031-32

3823

3033

2032-33

4289

3306

2033-34

4812

3603

2035-36

5399

3927

2036-37

6058

4281

2037-38

6797

4666

2038-39

7626

5086

2039-40

8557

5544

2040-41

9601

6043

2041-42

10772

6587

2042-43

12086

7179

2043-44

13561

7826

2044-45

15215

8530

2045-46

17071

9298

2046-47

19154

10134

2047-48

21491

11046

2048-49

24113

12041

2049-50

27054

13124