Now that TRAI has put an end to Facebook’s Free Basics, RCom, which is the only distributor of Free Basics will soon start charging for the service.

Subscribers will have to pay applicable data charges for accessing websites or apps through the zero-rated Free Basics platform, once necessary technical modifications are done over the next few days.  [source]

Plus, Facebook has shutdown Free Basics program in India, though it continues to run in other countries.