bids are invited for custom bid for services - machilipatnam and narsapur daily maintenance of tl coaches at pit line at primary maintenance depot as per scope of work 12470955 , custom bid for services - machilipatnam and narsapur cleaning of tl fan and light fittings in coaches monthly once as per scope of work 7032109 , custom bid for services - machilipatnam and narsapur supply of dungry cloth khadi dyed blue 91 point 4 cm wide piece length 10 to 20 meters to is specification no 37781993 with amendment no 1 of march 2002 1457892 , custom bid for services - machilipatnam and narsapur supply of liquid soap for cleaning of lights fans and batteries in the coaches 1 litre bottle 184800