Cost of living in Kollam (India) is 31% cheaper than in Zhengzhou (China)
WARNING! This comparison is based on only a few data points. At this point it is only a guess. It is based on 74 prices entered by 9 different people.
For example, to keep the same standard of living that would require 11,000元 in Zhengzhou you would need to make just about 7,568元 (₨79,017) in Kollam.