UNION OF INDIA THROUGH MINISTRY OF COAL THROUGH ITS SECRETARY
UNION OF INDIA MINISTRY OF MINES THROUGH ITS SECRETARY
UNION OF INDIA MINERAL RESOURCE DEPARTMENT THROUGH SECRETARY
STATE OF UTTAR PRADESH DIRECTORATE OF GEOLOGY AND MINING KHANIJ BHAWAN
STATE OF ODISHA DEPARTMENT OF STEEL AND MINES THROUGH ITS SECRETARY
STATE OF GUJARAT INDUSTRIES AND MINES DEPARTMENT THROUGH ITS SECRETARY
STATE OF JHARKHAND DEPARTMENT OF MINES AND GEOLOGY THROUGH SECRETARY
STATE OF JHARKHAND MAHANADI COALFIELDS LIMITED DIRECTOR
STATE OF JHARKHAND CENTRAL COALFILELDS LIMITED DIRECTOR
STATE OF JHARKHAND WESTERN COALFIELDS LIMITED DIRECTOR
STATE OF JHARKHAND NORTHERN COALFIELDS LIMITED DIRECTOR
STATE OF JHARKHAND COAL INDIA LIMITED DIRECTOR