Dear Sri jskasyap,
The fundemental matter is, pomegranite is a Arid zone and Semi Arid zone crop. How it will react for your place can not be judged just like that. you may get some fruits but, may not be economical. Pl look in to it.
Crop duration depends on variety , like Bhagava in 180 days, Ganesh in 135 days, Ruby in 130 days, Mridula in 135 days .
Before going for plantation in commercial way, either pl speak to concerned professors of NRCP and/or planting few plants of diffarent variety of pomegranates and see the performance.
with best wishes, g.p.rao, farmer