Cost of living in Kharagpur (India) is 30% cheaper than in Addis Ababa (Ethiopia)
This comparison is lacking data. It provides a decent comparison, but it is not yet reliable. It is based on 491 prices entered by 80 different people.
For example, to keep the same standard of living that would require 81,000 Birr in Addis Ababa you would need to make just about 56,497 Birr (₨134,848) in Kharagpur.