bids are invited for custom bid for services - schedule a provision of skilled welders to attend welding activities on coaches during primary or secondary maintenance ioh or sick line attention at c and w depot ned for a period of 2 years , custom bid for services - schedule b1 provision of skilled welders to attend welding activities for freight train examination in yard and coaches at c and w depot pau for a period of 2 years , custom bid for services - schedule b2 provision of unskilled staff to assist to welder during attention of freight train examination in yard and coaches at c and w depot pau for a period of 2 years , custom bid for services - schedule c provision of skilled welders to attend welding activities on coaches during primary or secondary maintenance at jalna as per instruction of sse c and w jalna for a period of 2 years , custom bid for services - schedule d supply of uniform and shoes and leather apron for manpower for welding work activities at c and w depot ned and pau and jalna total quantity :