Cost of living in Christchurch (New Zealand) is 146% 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 333 prices entered by 66 different people.
For example, you would need at least ₨152,655 (NZ$3,122) in Christchurch to maintain the same standard of living that you can have with ₨62,000 in Aizawl.