My suggestion is
SMPS: Corsair CX430 - Rs.2200/-
(Buy Corsair | Buy Corsair 430W Power Supply | Corsair Builders Series CMPSU 430CX 430W)
Cabinet: Gigabyte Luxo - Rs.1300/- (in HYderabad)
or Circle cabinet with good ventilation around Rs.1100/-(without SMPS)