Sundarakrishnan was born in Madurai, Tamilnadu, India. She was a child gymnast and placed 6^th in gymnastics during the Nationals. She studied Engineering in Bangalore, but changed her focus to theatre and film when she debuted in James Vasanthan's Vaanavil Vaazhkai, where she had to cut her hair short to play a singer. The film was described as "devoid of excitement" and "a wasted effort". She played a reporter in Thodari (2016) and is due to appear in the upcoming films 2.0, Magalir Mattum and Server Sundaram.^[6]

Sundarakrishnan has worked in the theatre with the Chennai-based theatre company The Little Theatre.^[2][7] She worked with several projects of theirs such as the annual pantomime of TLT and the Hospital Clowning program, where she acts as a clown twice a week at various hospitals in Chennai.