I am using dish tv for the past 3 months , and my experience with them is worst .
Picture quality is totally bad and when there are some cloud then picture quality become worst . Sound quality is acceptable .
There plans are some bit costlier than other dish operator rather they give limited channel which is not at all compromisable . They also don't gave free content like games , movies etc that other operator provide .
Once I called there customer care about picture quality , there customer care executives dont knew how to talk to customer as they only gave excuses , moreover sometime they also ignore you which is not at all acceptable .
Overall I suggest you Not to buy dish tv , go for Airtel digital .