Cost of living in Pretoria (South Africa) is 16% 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 683 prices entered by 71 different people.
For example, you would need at least ₨74,505 (R 15,776) in Pretoria to maintain the same standard of living that you can have with ₨64,000 in Aizawl.