Prime Minister Narendra Modi released a book titled 'Tireless Voice Relentless Journey' written by Former Union Minister Venkaiah Naidu, in New Delhi on Friday. The book comprises of key speeches and articles by Naidu. Various leaders of the Bharatiya Janata Party were present at the event, including President Amit Shah, Union Finance Minister Arun Jaitley and External Affairs Minister Sushma Swaraj. Recently, the National Democratic Alliance named Naidu as the candidate for the vice-presidential polls, against Opposition's Gopalkrishna Gandhi.