Does India Need a New Constitution?

In our country the Parliamentary form of democracy with a rigid Constitution has failed to eradicate poverty. Scams, corruption and criminalisation of politics seem to have taken the upperhand. Coalition governments have failed to be stable. In that background, the author, a former judge of the Supreme Court, suggests in this work that a Presidential form of Government in India is the need of the hour and if necessary, there should be a referendum for the switch-over.