bids are invited for of operational area at vadodara airport 1 20 annual preventive maintenance repair and operations , provision of additional man hour , inspection servicing and testing of vcb , inspection servicing and testing of relay , photometry testing of airfield ground light , painting of h indicator , painting of papi unit , painting of perimeter lighting poles , sitc of junction box , supply of digital timer switch , supply of bi pin 200w halogen lamp , supply of lead type 200w halogen lamp , supply of 105w halogen lamp for inset , supply of bi pin 150w halogen lamp , detection of cable fault of lt cable , detection of cable fault of ht cable , calibration of instruments , dsr work , providing first aid training , relay module total quantity : 2698