Cost of living in Rouen (France) is 37% more expensive than in Aligarh (India)
WARNING! This comparison is based on only a few data points. At this point it is only a guess. It is based on 29 prices entered by 14 different people.
For example, you would need at least ₨50,640 (€634) in Rouen to maintain the same standard of living that you can have with ₨37,000 in Aligarh.