Cost of living in Chittagong (Bangladesh) is 5% more expensive than in Allahabad (India)
WARNING! This comparison is based on only a few data points. At this point it is only a guess. It is based on 204 prices entered by 22 different people.
For example, you would need at least ₨82,821 (Taka 96,092) in Chittagong to maintain the same standard of living that you can have with ₨79,000 in Allahabad.