Tenders for Supply of Support Insulator To M/S Btils Pt.No. S 4401, Drg.No. Swt- 435066 R1, Or M/S Aa L Pt No.G-4401 A Drg No. 9980646825804, Spare For Transition Resistance Of Tap Changer Type No. 32. Warranty Period: 30 Months After The Date Of Delivery