bids are invited for custom bid for services - hiring of services for environmental and wwtp service assistance at gail, gandhar and gail township at bharuch for 24 months part-a providing of resources bidder has to quote service charge and gst thereon on total estimate .. , custom bid for services - hiring of services for environmental and wwtp service assistance for 24 months part-b and part-c for providing of environment monitoring services at gail plant gandhar and gail township bharuch as per tender document - providing of highly skilled (hs) resource -1 nos for wwtp assistance services for gail, gandhar as per special condition of contract and scope of work of tender document,considering minimum wage inr 893 as on 01.10.2025 to 31.03.2026 for 24 months and pf contribution @ 13% (i.e. employer contribution 12% + edli 0.5% + admin charges 0.5%) on monthly wage ceiling (i.e. rs. 15,000/-) + overhead charges + gst @ 18% , providing of skilled (s) resource -6 nos for wwtp assistance services for gail, gandhar as per special condition of contract and scope of work of tender document,considering minimum wage inr 760 as on 01.10.2025 to 31.03.2026 for 24 months and pf contribution @ 13% (i.e. employer contribution 12% + edli 0.5% + admin charges 0.5%) on monthly wage ceiling (i.e. rs. 15,000/-) + overhead charges + gst @ 18% , providing of semi-skilled (ss) resource -1 nos for wwtp assistance services for gail, gandhar as per special condition of contract and scope of work of tender document,considering minimum wage inr 632 as on 01.10.2025 to 31.03.2026 for 24 months and pf contribution @ 13% (i.e. employer contribution 12% + edli 0.5% + admin charges 0.5%) on monthly wage ceiling (i.e. rs. 15,000/-) + overhead charges + gst @ 18%