- Production of Coal from Opencast Workings by Mechanisation and Overburden Removed in Latehar District of Jharkhand (2015)
- Production of Coal from Opencast Workings by Mechanisation and Overburden Removed in Latehar District of Jharkhand (2014)
- Production of Coal from Below Ground Workings by Mechanisations and Method of Work in Latehar District of Jharkhand (2011)
- Production of Coal from Opencast Workings by Mechanisation and Overburden Removed in Latehar District of Jharkhand (2011)
- Production of Coal from Below Ground Workings by Mechanisations and Method of Work in Latehar District of Jharkhand (2010)
- Production of Coal from Opencast Workings by Mechanisation and Overburden Removed in Latehar District of Jharkhand (2010)