UNFC Classification of Coal Resources of CIL Blocks as on 01.04.2013.
Central Mine Planning & Design Institute Limited
(A Subsidiary of Coal India Limited / a Public Sector Undertaking of the Government of India Under the Ministry of Coal)
Gondwana Place, Kanke Road, Ranchi - 834 031, Jharkhand, India
Phone:(+91) 651 2231850/51/52/53 Fax:(+91) 651 2231447/2230826