President's role in India is more cosmetic than effective. Narayanamurthy - long been a go getter and a no-nonsense man in SW projects, will find it more a punishment. However forthright a President of India might be - he still have to play a second fiddle to the CEO of this country - i.e. the PM. (There can be no better examples than Mr. Rajendra Prasad and Dr. Radhakrishnan - both were stalwarts in their own right yet they had to toe the line of Pandit Jawarlal Nehru.) Better leave politics to politicians lest the country will be robbed off a few good men like Narayanamurthy.
