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