Cost of living in Rijeka (Croatia) is 49% more expensive than in Aizawl (India)
This comparison is lacking data. It provides a decent comparison, but it is not yet reliable. It is based on 315 prices entered by 24 different people.
For example, you would need at least ₨95,110 (8,325 kn) in Rijeka to maintain the same standard of living that you can have with ₨64,000 in Aizawl.