All the powertrain options you have listed command an initial premium over their corresponding petrol versions. And going by your limited usage, it is difficult to justify this premium. Hence, opting for a petrol is your best bet.
Still, if you want to keep running costs lower, consider getting a CNG car, which could cost you approximately Rs 80,000-100,000 more than a petrol car, which is a relatively smaller premium compared to a hybrid and electric car. Be prepared for relatively longer wait times while refilling at CNG pumps. 
