supply of auto drain valve mounting , auto drain valve mounting plate as per drg no. wr-dhd-el/4-pne-021 [ warranty p eriod: 30 months after the date of delivery ] ] , rs gauge mounting bracket as per drg. no. wr-dhd-el/4-pne-025, alt 1 [ warranty period : 30 months after the date of delivery ] ] , mounting bracket for 1 centrifugal dirt collector as per drg. no. wr-dhd-el/4-pne-032. [ w arranty period: 30 months after the date of delivery ] ] , bracket for 3/4 centrifugal dirt collector as per drg. no. wr-dhd-el/4-pne-31 with u bolt a s per drg, no. wr-dhd-el/4-pne-33. [ warranty period: 30 months after the date of delivery ] ] , flange for air brake cylinder as per drg. no. wr-dhd-el/3-bg-009 item, ref-1. [ warranty p eriod: 30 months after the date of delivery ] ] , set of packing of pneumatic pipe as per drg. no. wr-dhd-el/4-pne-97, one set consisting of four items comprising 42 numbers as under (i) item no 1 = 02 nos (ii) item no 2 sr.no 01 = 10 nos (iii)item no 2 sr.no.2 = 15 nos (iv) item no 2 sr.no.03 = 15 nos. [ warranty period: 30 months after the date of d elivery ] ]