Tenders for Supply of Modified Supporting Ring Nose Suspend Ring As Per Clw Drg. No.1209-01.211-036 Alt.1 Based On Rdso Modification Sheet No. Rdso/2017/El/Ms/0456Rev.0 Dt.09.01.2017.. Modified Supporting Ring Nose Suspend Ring As Per Clw Drg. No.1209-01.211-036 Alt.1 Based On Rdso Modification Sheet No. Rdso/2017/El/Ms/0456Rev.0 Dt.09.01.2017. Warranty Period: 30 Mont Hs After The Date Of Delivery