bids are invited for services - custom bid service for integrated housekeeping system at coaching depot nagercoil ncj for a period of 2 years schedule1 mechanized exterior coach cleaning of 3 trains and special trains at ncj , custom bid for services - schedule2 mechanized interior end body coach cleaning of 3 trains and special trains at ncj , custom bid for services - schedule3 manual exterior coach cleaning of 3 trains and special trains at ncj , custom bid for services - schedule4 manual interior end body coach cleaning of 3 trains and special trains at ncj , custom bid for services - schedule5 sweeping watering and toilet cleaning of 12 pftr trains and special trains at ncj , custom bid for services - schedule6 sweeping watering and toilet cleaning of 4 pftr trains and special trains at kanyakumari cape , custom bid for services - schedule7 pit yard cleaning at ncj depot , custom bid for services - schedule8 disposal of garbage generated at ncj depot cape , custom bid for services - schedule9 gst at the rate of 18 to schedule 1 to 8 gst is permitted only at the rate of 18 percentage