NDTV is a brand and is a popular news channel which is one of the prime channels.
For following english news it is one of the best news channel. They have excellent team of news readers and editors.
Best apsect- Real time news from all walks of life are available, It is one of the few channel which broadcast good news and also have good debates on real life issues. They also support good causes like green life and scholl for all girls, etc.
Worst- Content in some segment like entertainment and sports could be better. Also sometimes it looks to be biased to one party. There are lot of advertisement like all other channels. Not avialable in HD
Overall this is pretty good news channel and is one of the best due to its content and fewer ads.