A former Muay Thai practitioner, Lovlina, as the youngest of three sister-siblings, became interested in boxing after seeing her twin sisters, Licha and Lima, take up kickboxing and followed the same trail.

[15] Borgohain's career's biggest break came when she was selected to participate in the 2018 Commonwealth Games welterweight boxing category.

[citation needed] Her selection in the 2018 Commonwealth Games was attributed to her success at the inaugural India Open – an international boxing championship held in February 2018 – where she won a gold medal in the welterweight category.

[22][23] She represented India for the first time at the AIBA Women's World Boxing Championship, held in New Delhi, where she won the bronze medal in the welterweight category on 23 November 2018.

[6] She lost to the 2018 AIBA Women's World Boxing Championships silver-medallist Gu Hong of China in a unanimous 5-0 verdict and signed off with a bronze medal at the Asian Olympic Qualifiers.

[26] Borgohain trained at Assisi, Italy from 15 October to 5 December 2020 for World Olympic qualifying event scheduled for May – June 2021.

[34] Competing in the 75 kg category, Borgohain won the gold medal defeating Australia's Caitlin Parker.

[36] For winning the bronze medal at the 2020 Tokyo Summer Olympics - In 2019, Borgohain signed up with sports management firm Infinity Optimal Solutions (IOS) which will handle her endorsements and commercial interests.

[46][47] In May 2022, she was elected as the chair and a voting member on the board of directors for International Boxing Association (amateur) Athletes' Committee.