The Competition Commission of India (CCI) said in a study, released Wednesday, that marketplace platforms should adopt self-regulatory measures such as clearly stating the parameters of search ranking, setting out a transparent policy on data collected by them, among others. Releasing the findings and its observations, the CCI said marketplace platforms should bring out a clear policy on discounts.

This would include the basis of discount rates funded by platforms for different products or suppliers and the implications of participation or non-participation in such schemes. The CCI ...