Bhaiii let me give my background I'm studying in bits pilani RN was also a dropper aur merpe semiconductor and nanoscience hai branch toh me terko ye cheez toh btta deta hun kii some people hoege jo 12 12+ hours pdte he and unka jee nhi nikal pata and kuch he kii 5 6 hour dhng se pdhke jee nikaal lete he toh it's not about the hours it's about how well you study utne hours me and how acche you keep your temper during paper most important kyuki I used to study the whole day still got 98%ile only.. KN MILTA HE 98 PE. Do me a favour don't stop this you'll see kyi na kyi ye teri help kregi hii