New Delhi: The Prakash Padukone Badminton Academy on Tuesday made it clear that it played no role in Saina Nehwal shifting from Gopichand Academy in Hyderabad to Bengaluru to train under Vimal Kumar ahead of the Rio Olympics, calling the move the "sole decision" of the ace shuttler. Gopichand, in a chapter titled 'Bitter Rivalry' of an upcoming book 'Dreams …