However, the CCI added it had decided not to impose a penalty, saying the "ends of justice would be met if the parties cease such cartel behaviour and desist from indulging in it".
The CCI ordered an investigation against e-commerce players last month after the Delhi Vyapar Mahasangh, a traders' body, filed a complaint against the firms' practices like giving deep discounts
Microsoft is one of the few big U.S. technology companies not under regulatory scrutiny in Washington
It's important to note that the economics profession isn't in universal agreement about the issue