Cost of living in Nagpur (India) is 10% cheaper than in Łódź (Poland)
This comparison is lacking data. It provides a decent comparison, but it is not yet reliable. It is based on 329 prices entered by 47 different people.
For example, to keep the same standard of living that would require 7,300 zł in Łódź you would need to make just about 6,544 zł (₨119,149) in Nagpur.