Tenders for Supply of Microprocessor Controller For Roof Mounted Ac Package Unit For Lhb Coachesas Per Rdso Specification No. Rdso/Pe/Spec/Ac/0139 2009 Rev-1 As Per Drg.No. Nil S Pecn: Rdso Specification No. Rdso/Pe/Spec/Ac/0139 2009 Rev-1 Warranty Period: 30 Months Aft Er The Date Of Delivery