President Pranab Mukherjee and Prime Minister Narendra Modi today launched Vice President Mohd Hamid Ansari's book titled "Citizen and Society" at Rashtrapati Bhawan in New Delhi. <br/><br/>Describing Mr Ansari's life as that of a perfect citizen, the President said, the theme of the book is that a citizen cannot be apolitical and has to take part in politics to build the society. Speaking on the occasion, Prime Minister Narendra Modi said, it is a matter of pride that India has hundreds of languages,various religions and beliefs.