If you are looking for DTH service with high defination quality then tata sky is one of the good option. The picture quality they provide is amazing but worst part is that they charge too much for its service.
The service is somewhat good but the support they are providing its not good. The cost is very high if you need sports pack, kids pack etc.
The software is slow when you change the channels its response time is slow. But overall it is good provider which provides quality service at quality cost.