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As a result of exploration carried out up to the maximum depth of 1200m by the GSI, CMPDI, SCCL and MECL etc, a
cumulative total of 319.02 Billion tonnes of Geological Resources of Coal have so far been estimated in the country
as on 1.4.2018. The details of state-wise geological resources of Coal are given as under:

(Million tonnes)

State Proved Indicated Inferred Total
Total 148787 139164 31069 319020
JHARKHAND 45563 31439 6150 83152
ODISHA 37391 34165 7739 79295
CHHATTISGARH 20428 34576 2202 57206
WEST BENGAL 14156 12869 4643 31667
MADHYA PRADESH 11958 12154 3875 27987
TELANGANA 10475 8576 2651 21702
MAHARASHTRA 7178 3074 2048 12299
ANDHRA PRADESH 0 1149 432 1581
BIHAR 161 813 392 1367
UTTAR PRADESH 884 178 0 1062
MEGHALAYA 89 17 471 576
ASSAM 465 57 3 525
NAGALAND 9 0 402 410
SIKKIM 0 58 43 101
ARUNACHAL PRADESH 31 40 19 90

(Source: Geological Survey of India)

CATEGORIZATION OF RESOURCES

The Coal resources of India are available in older Gondwana Formations of peninsular India and younger Tertiary formations of north-eastern region. Based on the results of Regional/Promotional Exploration, where the boreholes are normally placed 1-2 Km apart, the resources are classified into ‘Indicated’ or ‘Inferred’ category. Subsequent Detailed Exploration in selected blocks, where boreholes are less than 400 meter apart, upgrades the resources into more reliable ‘Proved/Measured’ category. The Formation-wise and Category-wise Coal resources of India as on 1.4.2018 are given in table below:

(Million tonnes)

Formation Proved/Measured Indicated Inferred Total
Grand Total 148787 139164 31069 319020
Gondwana Coals 148194 139065 30174 317433
Tertiary Coals 594 99 895 1588

TYPE AND CATEGORY-WISE COAL RESOURCES OF INDIA

The Type and Category-wise Coal resources of India as on 1.4.2018 are given in table below:

(Million tonnes)

Type of Coal Proved/Measured Indicated Inferred Total
Grand Total 148787 139164 31069 319020
(A) Coking :-
-Prime Coking 4649 664 0 5313
-Medium Coking 13914 11709 1879 27502
-Semi-Coking 519 995 193 1708
Sub-Total Coking 19082 13368 2073 34522
(B) Non-Coking :- 129112 125697 28102 282910
(C) Tertiary Coal :- 594 99 895 1588

Status of Coal Resources in India during Last 5 years

As a result of Regional, Promotional and Detailed Exploration by GSI, CMPDI, SCCL, MECL, State Govts. etc., the estimation of Coal resources in India reached to 319.02 billion tones. The increase/up gradation of Coal resources in the country during last 5 years is furnished in table below:

(Million tonnes)

Inventory as on Proved/Measured Indicated Inferred Total
1.4.2018 148787 139164 31069 319020
1.4.2017 143058 139311 32780 315149
1.4.2016 138087 139151 31564 308802
1.4.2015 131614 143241 31740 306596
1.4.2014 125909 142506 33149 301564
1.4.2013 123182 142632 33101 298914