supply of set of bio digester tank for lhb coachesset of bio digester tank for lhb coaches,set of bio digester tank for lhb coaches, as per rdso assy. drg. no cg-18100, alt.- 1 or late st, required item no.-1 and item no.-8. set consisting of items: (i) item no.-1, qty.-1 no. (ii) item no.-8, qty.- 1 no. all items of rdso assy. drawing. no cg-18100, alt- 1 or latest required with each tank except item n o.-18. note: for details of item no.-1. refer rdso assy. drawing. no.-cg-18101 alt.-1 & item no.-8. refer m irror of rdso assy. drawing. no.-cg-18101 alt- 1. [ warranty period: 30 months after the date of delivery ] ]