supply of procurement of medha make traction alternator, master controller and power rectifier demu sparesprocurement of medha make traction alternator, master controller and power rectifier demu spares,traction alternator type tg 71-59-6 to medha part no sp648v27108) for 1600hp demu dpc ( medha old part no. (sptsa012155r0001) [ warranty period: 30 months after the date of delivery ] ] , master controller for demu dpc 1400/1600hp type 9mc-mud 18 inder drg. no. 925779050 001- ga or medha part no.sp648v24020 for 1400 hp/1600 hp demu [ warranty period: 30 months after t he date of delivery ] ] , power rectifier unit for 1600 hp demu dpc medha model: mde648v2 to medha part no.- sp648v23005 [ warranty period: 30 months after the date of delivery ] ]