Sharma graduated from St. Stephens College of Delhi University and joined Jawaharlal Nehru University (JNU) for her post-graduation. She later dropped out of JNU and joined Delhi School of Economics at Delhi University to pursue her post-graduate degree. She prepared for the Civil Services exam at Jamia Millia Islamia Residential Coaching Academy (RCA). A total of 23 candidates including all India topper have qualified the Civil Services exam from Jamia RCA.

In the UPSC CSE final result, women candidates have secured all the top three positions. Ankita Agarwal secured AIR 2 and Gamini Singla from Chandigarh has got rank 3.