Manchu Manoj made a strong comeback last year with the box-office hit Mirai. The actor is now pushing his limits for his upcoming projects, particularly the under-production film David Reddy. Over the past 21 days, Manoj has undergone a rigorous physical transformation. Determined to reinvent himself, he has chosen to trade comfort for discipline, sweat and relentless training.The actor recently shared a candid update about his progress, suggesting that authenticity on the silver screen can only come through hard work and physical preparation. "Three weeks ago, I made a decision.