supply of set of sanding arrangement for wap7/wag-9 locomotives consisting of 03 ite ms in 3 nos. (i) guard assembly as per drgno ngp/trs/4/25.065 rev-1, qty-01no. ii) adapter for sanding arrangement as per drg. no.ngp/trs/4/25.064 rev-1,qty-01 nos. iii) holder for sande r pipe as per drg no. ngp/trs/4/25.089 rev.-2 qty-01 nos [ warranty period: 30 months after the d ate of delivery ] [quantity tolerance (+/-): 5 %age , item category : normal , total po value variation permitted: max 8 lacs ] ]