- Explosives Used in Coal Mines in Korba District of Chhattisgarh (2015)
- Explosives Used in Coal Mines in Korba District of Chhattisgarh (2014)
- Explosives Used in Coal Mines in Korba District of Chhattisgarh (2013)
- Explosives Used in Coal Mines in Korba District of Chhattisgarh (2012)
- Explosives Used in Coal Mines in Korba District of Chhattisgarh (2011)
- Explosives Used in Coal Mines in Korba District of Chhattisgarh (2010)
- Explosives Used in Coal Mines in Korba District of Chhattisgarh (2006)
- Explosives Used in Coal Mines in Korba District of Chhattisgarh (2004)
- Explosives Used in Coal Mines in Korba District of Chhattisgarh (2003)
- Explosives Used in Coal Mines in Korba District of Chhattisgarh (2002)
- Explosives Used in Coal Mines in Korba District of Chhattisgarh (2001)
- Explosives Used in Coal Mines in Korba District of Chhattisgarh (2000)