- Production of Coal from Opencast Workings by Mechanisation and Overburden Removed in Birbhum District of West Bengal (2015)
- Production of Coal from Opencast Workings by Mechanisation and Overburden Removed in Birbhum District of West Bengal (2014)
- Production of Coal from Opencast Workings by Mechanisation and Overburden Removed in Birbhum District of West Bengal (2013)
- Production of Coal from Opencast Workings by Mechanisation and Overburden Removed in Birbhum District of West Bengal (2012)
- Production of Coal from Opencast Workings by Mechanisation and Overburden Removed in Birbhum District of West Bengal (2011)
- Production of Coal from Opencast Workings by Mechanisation and Overburden Removed in Birbhum District of West Bengal (2010)
- Production of Coal from Opencast Workings by Mechanisation and Overburden Removed in Birbhum District of West Bengal (2000)