Site Survey, Design, Engineering, Supply, Erection, Testing &Amp Commissioning Including Operation &Amp Maintenance (O &Amp M) For A Period Of 25 Years Of Grid Connected, Ground Mounted, Solar Photo Voltaic Plants Of Total 1.5 M Wp Capacity System (Under Resco/ Ppa Mode) With The Objective Of Generating And Supplying Electricity To Metro Railway Kolkata Through Developer Mode Only With Power Purchase Agreement (Ppa) At Different Locations Of Metro Railway Kolkata.