In November 2023, she won four gold medals at the National Games. In the women's 50m butterfly, she also created a record.[3]
In July 2023, Nina broke her own National record in the 50m butterfly event at the Nationals in Bhubaneswar.[4] She set the record in the Girls Group I competitions.[5] In May 2023, she also broke the record in the women’s 100m butterfly National record by clocking 1:02.51 at the National Aquatic Championships in Hyderabad.[6] In June 2023, she broke the 18-year-old record of 27.12 sec set by Shika Tandon by clocking 26.65 seconds in the state sub-junior, junior and senior aquatic championships.[7]
In July 2022, she created a National record in the 50m butterfly group I girls event at the Junior National Aquatic Championships.[8] It was her own record which she set in Bangalore in 2021.[8]
In June 2018, she broke a 13-year-old record, clocking 29.48 in Group II girls’ 50m butterfly at the National junior and sub-junior swimming championships at Pune. The old record of 29.83 was in the name of Lekha Kamath.[9]
In 2017, she took part in her first Senior National Aquatic Championships.[2]In July 2014, she made her debut at the 41st Junior National Aquatic Championships held at Bhopal.[10]