instead of sports 18 hd and zee zest hd airtel should add vijay super hd and zee thirai hd then it would be all time favourite pack with all hd channel right
It is a new feature available on some STB models wherein if u have subscribed to HD version of a channel then its SD feed gets hidden on EPG or is skipped while surfing channels.... U can switch off this feature/option thru settings tab available in STB