IF Anudeep Durishetty of Telangana who topped the civil services exam 2017, symbolises perseverance, it is sheer determination which made Haryana’s Anu Kumari, a mother of a four-year-old child, the all india 2nd rank holder. Then, what you can learn from Sachin Gupta, who bagged 3rd rank in UPSC? Yes, it’s how not to…