- Production of Coal from Opencast Workings by Mechanisation and Overburden Removed in Ranchi District of Jharkhand (2015)

- Production of Coal from Opencast Workings by Mechanisation and Overburden Removed in Ranchi District of Jharkhand (2014)

- Production of Coal from Below Ground Workings by Mechanisations and Method of Work in Ranchi District of Jharkhand (2013)

- Production of Coal from Opencast Workings by Mechanisation and Overburden Removed in Ranchi District of Jharkhand (2013)

- Production of Coal from Below Ground Workings by Mechanisations and Method of Work in Ranchi District of Jharkhand (2012)

- Production of Coal from Opencast Workings by Mechanisation and Overburden Removed in Ranchi District of Jharkhand (2012)

- Production of Coal from Below Ground Workings by Mechanisations and Method of Work in Ranchi District of Jharkhand (2011)

- Production of Coal from Opencast Workings by Mechanisation and Overburden Removed in Ranchi District of Jharkhand (2011)

- Production of Coal from Below Ground Workings by Mechanisations and Method of Work in Ranchi District of Jharkhand (2010)

- Production of Coal from Opencast Workings by Mechanisation and Overburden Removed in Ranchi District of Jharkhand (2010)

- Production of Coal from Opencast Workings by Mechanisation and Overburden Removed in Ranchi District of Jharkhand (2004)

- Production of Coal from Opencast Workings by Mechanisation and Overburden Removed in Ranchi District of Jharkhand (2003)

- Production of Coal from Opencast Workings by Mechanisation and Overburden Removed in Ranchi District of Jharkhand (2002)

- Production of Coal from Opencast Workings by Mechanisation and Overburden Removed in Ranchi District of Jharkhand (2001)

- Production of Coal from Opencast Workings by Mechanisation and Overburden Removed in Ranchi District of Jharkhand (2000)

