Vice-President of India M Venkaiah Naidu has released the book titled “The Turnover Wizard – Saviour Of Thousands”, an autobiography of Arup Roy Choudhury, the former Chairman and Managing Director of NTPC Limited and NBCC (India) Limited. The book consolidates Arup Roy Choudhury’s learnings from life and brings out the management lesson from his life. The book is also endorsed by E Sreedharan, The Metro Man of India.