I know about separately , but it doesn't restrict our choice in GTA channels. The thing bro you are mixing are both different in their nature and case
Within the capacity of one hundred SD channels, as referred to in sub-clause (1), in addition to channels notified by the Central Government to be mandatorily provided to subscribers, a subscriber shall be free to choose any free to air channel(s), pay channel(s), premium channel(s) or bouquet(s) of channels offered by the broadcasters or bouquet(s) of channels offered by the distributor of television channels:
Provided that if a subscriber opts for pay channels or premium channels or bouquet of pay channels, he shall be liable to pay retail price for such channels or bouquets separately. (Page 11, Point 6)