I have been using airtel dish for more than 4 years .
and the journey so far is very good, the service quality they provide is very good the response time from the service center is pretty good.
and talking about the quality of audio and video they are also very good
the time taken in changing between the channel is also pretty fast, and the time to start the dish takes some time but its normal it takes in every operator mostly the same
The UI they provide of their specification on screen is way far better than other digital t.v operators provide.
and like if you are going for a vaction you can also deactivate your digital T.V for at most 3 months and once you do this you cannot deactivate it for next 3 months like in a year you can deactivatte you digital t.v 4 times
and as you do it you will be charged 20-30 rupees I think .
but in other operators like dish t.v is not the same they dont have such barriers I think