If NDTV is not biased so i think every channel in the list is fair and unbiased.
Congress supporting channels
NDTV, India today, Aaj tak, CNN-IBN,News 24
BJP supporting channels
Times now, Republic,zee news
unbiased but advertise Govt. policies or yojana/schemes and give facts rather than assumptions
DD News
DD India
Rajya Sabha is another very good ch