New Delhi [India] May 20 (ANI/BusinessWire India): Nistha Tripathi, a bestselling start-up author, announces the release of her new book titled 'Unstartup'. This book uncovers the factors that led Unacademy to grow from a small YouTube channel to a start-up valued at $3.5 billion in a short span of 6 years. Along the way, they have done multiple experiments, taken bold bets, but most importantly innovated.