Chances are that you won't know. Most journalists are unaware and the paper hardly wishes that the readers would know the editor.
You associate Chandan Mitra, MJ Akbar, Vir Sanghvi with Pioneer, Asian Age and Hindustan Times, but what about TOI?
The Jains have devalued the status of editor so much that it doesn't matter if this paper has an editor or not. It is such a difficult question that some guy had to post it on Yahoo Answers, seeking an anwer to the query.
Managers replaced Editors at Times of India long ago.
After the famous Dileep Padgaonkar statement, when he had boasted that Times editor is second only to Prime Minister in terms of importance in the affairs of nation, the wings of editors were clipped. And now no body really knows or cares about the editor of ToI.