Cost of living in Montego Bay (Jamaica) is 122% more expensive than in Ahmedabad (India)
This comparison is lacking data. It provides a decent comparison, but it is not yet reliable. It is based on 769 prices entered by 107 different people.
For example, you would need at least ₨131,079 (J$254,788) in Montego Bay to maintain the same standard of living that you can have with ₨59,000 in Ahmedabad.