- Production of Coal from Opencast Workings by Mechanisation and Overburden Removed in Khammam District of Telangana (2015)
- Production of Coal from Opencast Workings by Mechanisation and Overburden Removed in Khammam District of Telangana (2014)
- Production of Coal from Below Ground Workings by Mechanisations and Method of Work in Khammam District of Telangana (2013)
- Production of Coal from Opencast Workings by Mechanisation and Overburden Removed in Khammam District of Telangana (2013)
- Production of Coal from Below Ground Workings by Mechanisations and Method of Work in Khammam District of Telangana (2012)
- Production of Coal from Opencast Workings by Mechanisation and Overburden Removed in Khammam District of Telangana (2012)
- Production of Coal from Opencast Workings by Mechanisation and Overburden Removed in Khammam District of Telangana (2011)
- Production of Coal from Below Ground Workings by Mechanisations and Method of Work in Khammam District of Telangana (2011)
- Production of Coal from Opencast Workings by Mechanisation and Overburden Removed in Khammam District of Telangana (2010)
- Production of Coal from Below Ground Workings by Mechanisations and Method of Work in Khammam District of Telangana (2010)
- Production of Coal from Opencast Workings by Mechanisation and Overburden Removed in Khammam District of Telangana (2004)
- Production of Coal from Opencast Workings by Mechanisation and Overburden Removed in Khammam District of Telangana (2003)
- Production of Coal from Opencast Workings by Mechanisation and Overburden Removed in Khammam District of Telangana (2002)
- Production of Coal from Opencast Workings by Mechanisation and Overburden Removed in Khammam District of Telangana (2001)