Tenders for Supply of Manhole Cover For Dome Arrangement Of Btpn Wagon To Rdso Drg. No. Wd-86081-S-61, Alt- 13, Item 1 And Material Conforming To Is: 2062:2011, Reaffirmed-2021, Grade: E 250 A Also Acceptable. Warranty Period: 30 Months After The Date Of Delivery