Radha started her career with
Bharathiraja's 'Alaigal Ooivathilai'. Gopurangal
Saivathillai proved her acting talents. She played a
powerful role as a second wife of Mohan and matched the
national award winner Suhasini in this movie. Her close
friend and mentor, actress Suhasini Maniratnam helped her in
improving her make-up and took special care by voluntarily
opting to hairdress Radha whenever they acted together.
Her major break came from her mentor Bharathiraja. Muthal
Mariyathai released in the year 1985. After Muthal
Mariyathai, she got a number of challenging roles including
in movies like Nyaya Tharasu. Her sister Ambika is also a
very popular actress. They acted together in films like
Enkeyo Ketta Kural, Kadhal Parisu, Anna Nagar Mudhal Theru,
Idhaya Kovil and Vellai Roja.