bids are invited for custom bid for services - comprehensive annual maintenance operation contract of bio toilets in various depots of tvc division for a period of four years schedule 1a labour cost of bio toilet attention at thiruvananthapuram depot for a period of 4 ye.. , custom bid for services - schedule 1b cost of consumables uniforms tools equipment and machineries at thiruvananthapuram depot for a period of 4 years , custom bid for services - schedule 2a labour cost of bio toilet attention at kochuveli depot for a period of 4 years , custom bid for services - schedule 2b cost of consumables uniforms tools equipment and machineries at kochuveli depot for a period of 4 years , custom bid for services - schedule 3a labour cost of bio toilet attention at quilon memu shed for a period of 4 years , custom bid for services - schedule 3b cost of consumables uniforms tools equipment and machineries at quilon memu shed for a period of 4 years , custom bid for services - schedule 4a labour cost of bio toilet attention at ernakulam depot for a period of 4 years , custom bid for services - schedule 4b cost of consumables uniforms tools equipment and machineries at ernakulam depot for a period of 4 years , custom bid for services - schedule 5a labour cost of bio toilet attention at nagercoil depot for a period of 4 years , custom bid for services - schedule 5b cost of consumables uniforms tools equipment and machineries at nagercoil depot for a period of 4 years , custom bid for services - schedule 6 cost of spares for bio toilets of thiruvananthapuram division for a period of four years , custom bid for services - schedule 7 gst at 18 percentage of total value of all schedules from 1 to 6 total quantity :