Central Mine Planning and Design Institute (CMPDI) is the nodal agency for exploration of coal in India. It is using latest techniques to explore the fresh coal reserves like Hi-Tech Hydrostatic drills for drilling; 2D & 3D seismic survey with Vibrosis & interpretation with Paradigm software; satellite imagery for identification of forest and probable coal bearing areas & modern software such as AutoCAD, ArcGIS and Minex for preparation of Geological reports which is equivalent to industry best practices worldwide.

STATE Category-wise Coal Resources (in Million Tonnes)
Measured
(Proved)
Indicated Inferred
(Exploration)
Inferred
(Mapping)
Total
WEST BENGAL 14155.57 12868.81 4642.86 0.00 31667.24
BIHAR 161.11 813.49 392.15 0.00 1366.75
JHARKHAND 45563.36 31438.52 6149.80 0.00 83151.68
MADHYA PRADESH 11958.28 12153.95 3874.67 0.00 27986.90
CHHATTISGARH 20427.71 34576.26 2201.90 0.00 57205.87
UTTAR PRADESH 884.04 177.76 0.00 0.00 1061.80
MAHARASHTRA 7177.55 3073.55 2048.14 0.00 12299.24
ODISHA 37391.10 34164.54 7739.16 0.00 79294.80
ANDHRA PRADESH 0 1149.05 431.65 0.00 1580.70
TELANGANA 10474.9 8576.13 2650.92 0.00 21701.95
SIKKIM 0.00 58.25 42.98 0 101.23
ASSAM 464.78 57.21 0.50 2.52 525.01
ARUNACHAL PRADESH 31.23 40.11 12.89 6.00 90.23
MEGHALYA 89.04 16.51 27.58 443.35 576.48
NAGALAND 8.76 0.00 103.64 298.05 410.45
GRAND TOTAL 148787.43 139164.14 30318.84 749.92 319020.33