Cost of living in Montego Bay (Jamaica) is 105% 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 916 prices entered by 143 different people.
For example, you would need at least ₨110,928 (J$213,485) in Montego Bay to maintain the same standard of living that you can have with ₨54,000 in Ahmedabad.