Within seventy-five days of coming under the tutelage of Kamlesh Nanavati and training alongside national champions Vandita Dhariyal and Maana Patel, she finished first in the state championship.

In January, 2013, she won the inaugural 50 kilometres (31 mi) cycle race organized by Amdavad Municipal Corporation.

In December 2013, she won the gold medal in the women's category of 24th Gujarat State Aquathlon qualifying for the 2014 Senior National Triathlon Championship.

[11] Subsequently, she clinched a silver medal at her maiden international meet - 2014 South Asian Triathlon Championship held at Pokhara, Nepal.

[12] While representing her home state Gujarat, she won a gold medal in the 2015 National Games held at Thiruvananthapuram, Kerala from 31 January to 14 February 2015.

[14] She started the year 2018 by finishing second in the 2018 Senior National Triathlon Championship held at Visakhapatnam, Andhra Pradesh.

Battling stomach cramps, she won the bronze medal in women's triathlon individual category on 2 December 2019.

Her strong performance of being the fastest amongst the female triathletes led the Indian team to a comfortable gold medal.

[22] In January 2022, Mohan won the gold medal at the 2022 National Sea Swimming Competition in the 2,000 metres (1.2 mi) race held at Porbander, Gujarat.

In January 2014, while drafting behind her partner in Ahmedabad, she touched the front riders' rear wheel, fell and got dragged on the road.

In March 2015, again in Ahmedabad she was hit by a SUV on the Sardar Patel Ring Road, due to which she got partial amnesia.

In December 2017, while Mohan was at a high speed on a steep descent in Melbourne, she tried to dodge a pothole and lost control of the bike, fracturing her thumb.

In June 2019, Mohan while cycling in Lleida, Spain lost control of her bike, fell and fractured her wrist bone.

After clearing her intermediate exam, she spent a year interning in Ernst & Young, a Big Four accounting firm.

[23] In March 2022, the British High Commission, New Delhi had picked Mohan amongst top seven elite athletes of India alongside Neeraj Chopra, PV Sindhu and Pullela Gopichand as a role model sportsperson for the upcoming 2022 Commonwealth Games and posted a video on social media.