She was football captain of Wayanad district in Kerala in her teenage years, and a track-and-field champion in college.

[4] Sajana made her List A debut for Kerala on 9 November 2012, against Andhra in the 2012–13 Senior Women's One Day League.

[7] In December 2023, she was signed by Mumbai Indians at a price of ₹15 lakh to play for them in the Women's Premier League auction,[8] for the 2024 season.

[9] On 23 February 2024, she hit a last ball six, helping her side to beat Delhi Capitals by 4 wickets.

[10][11] In April 2024, she earned maiden call-up for national squad for T20I the series against Bangladesh.