Supply of Petrol Operated Light Weight One-Man Operated Portable Core Rail Drilling Machine, With Ac Essories Core-Bit 17Mm X 35Mm -01, Pilot Bit -01, Chamfering Bit -01, And As Per Specification Attached As Annexure-A. Make Model Bds-Mab36 Or Similar. Warranty Period: 30 Months After The Date Of Delivery