supply and fitment/application of 02 items consisting (i) hanger assemblyfor bio-tank in lhb coaches. mat spec aisi-304 as per drg. quantity- 150 set, (ii) chlorinetablet specification dia 3 inch weight 195-52-205 gms 1,3,5-triazine 2,4,6(1h,3h,3h)watersoluble rinneers. 10-15 w/w material as per specification. quantity- 9000 nos. sl. no01 to 02 = 1 set .