Cost of living in Nagpur (India) is about the same as in Łódź (Poland)
This comparison has some inconsistent or sparse data. It already provides a reliable comparison but it is not bullet-proof. It is based on 442 prices entered by 65 different people.
For example, you would need at least 6,435 zł (₨124,258) in Nagpur to maintain the same standard of living that you can have with 6,400 zł in Łódź.