How to select your own channels on Airtel Dish TV as per TRAI rules?

There are numerous TV channels today but only a few selected channels are watched by most subscribers depending on various factors such as age, interest, gender etc. Kids would like to watch cartoons, youth may want to watch music, movies and sports. Elderly people may want to watch news, religious channels etc. With so many channels of the same kind, as subscribers we are paying even for channels we don't watch.