Section 294 IPC

The Indian Penal Code deals with the sale, hire, distribution, public exhibition,
circulation, import, export or advertisement etc of anything obscene.
For sale etc of obscene books, the punishment is imprisonment up to 2 years and fine up
to Rs.2000 on first conviction and imprisonment up to 5 years and fine up to Rs. 5000 on subsequent convictions.

Anybody who does any obscene act in public places or sings, recites or utters any
obscene songs in or near any public places is punishable with imprisonment up to 3
months or with fine or both.

This also pertains to TRANSMITTING a song, web link of pornography, and other. As in the case of Anandeep Chagger; he also sent a vulgar song in Punjabi, web links to pornographic sites, etc.