Round the year electrical maintenance of various sites i.e. (A) Residential quarters and utility buildings along with streetlights of complete Residential Colony including supply of street lighting materials, (B) Lighting of various sites including street lighting of DSPM TPS Main plant area, (C) Lighting of various sites including street lighting of KTPS, sites under jurisdiction of DSPM TPS, for period of contract two years at DSPM TPS CSPGCL Korba East.