In an exclusive chat about elections, Nobel winner Amartya Sen tells NDTV why, despite his strong concerns about Narendra Modi, it's silly to leave the country. Mr Sen also talks about his friend, Prime Minister Manmohan Singh and Congress Vice President Rahul Gandhi and his sister Priyanka Gandhi Vadra. He also talks about his famous spat with renowned economist Jagdish Bhagwati and what he thinks of him advising Mr Modi, the BJP's prime ministerial candidate.