Tenders for Supply of Contact For Double Cam Switch Type No.3Lx9520 Of Cam Shaft Controller F Or Mr-300 Series Ac Rakes Of Kolkata Metro As Per Casram Article No.01.09110-2, Ref.A4 42102, Drawing No.Ma 1 B-520.09.5023, Make Casram Sa. As Per Drg.No. 01.09110-2, Ref.A442102, Dr G No.Ma 1 B-520.09.5023, Warranty Period: 30 Months After The Date Of Delivery