bids are invited for supply of dual-float cum boost charger 24 v, 350 a along with mandatory spares. ( q3 ) , installation testing and commissioning of supplied charger ( q3 ) , supply of ni-cd battery bank, 24v 1200 ah along with mandatory spares and buyback of old battery bank ( q3 ) , installation testing and commissioning of supplied battery banks ( q3 ) , comprehensive amc charges for 1st year for two nos. of battery chargers after expiry of warranty peri ( q3 ) , comprehensive amc charges for 2nd year for two nos. of battery chargers after expiry of warranty peri ( q3 ) , comprehensive amc charges for 3rd year for two nos. of battery chargers after expiry of warranty per ( q3 ) , comprehensive amc charges for 4th year for two nos. of battery chargers after expiry of warranty peri ( q3 ) , comprehensive amc charges for 5th year for two nos. of battery chargers after expiry of warranty peri ( q3 )