Others, I have not watched enough to make an opinion.
Note: I have a slight bias towards Nidhi Razdan.
Comment Dt. 03.05.2017: I wrote this 4 yrs back. Things have changed a lot since then. I might have better things to say about Sagarika Ghosh now; may include Padmaja Joshi, Natasha Jog, Srineevasan Jain, Palki Sharma, Vishnu Som, Zakka Jacobet al, in the list; and certainly won’t have any bias now (thought of using the adjective Catty in preference to everything else for Nidhi Razdan, but didn’t; however, did put a note/disclaimer). But since now I have stopped watching news debates altogether, no modification in the above.
Note: I have never had any one-to-one interaction with any of the above mentioned names (not even on social media).