Dhillon topped the national podium in the discus in 2014 and 2015, as she transitioned into the senior ranks, as well as a shot put/discus double at the 2015 National Games of India. She was sixth in discus at the 2015 Asian Athletics Championships. She did not compete internationally in 2016 and 2017, though she won shot put national titles those years and was runner-up in the discus nationally. Dhillon won the discus bronze medal at the 2018 Commonwealth Games – her first senior international medal.