I don't believe this, Nowadays we can't trust toppers. They make it seem like they didn't did anything to become a tooper however they might have tried every coaching modules, Question banks and every questions source possible.
Bhai MR sir is good but kisi bhi teacher ke notes se surf 180/180 Nahin aa sakte,, yes many score it by only solving sir's notes, but 180/180 score Karen ke liye hum Average Baccho ko Books solve Karna hi hoga, there is no alternative
