[9][10][11] Renuka was born on 3 November 1983 in Alappuzha and also she pursued her Bachelor of Business Administration degree in Thrissur.
[13][14] At the age of 19, Renuka made her acting debut through Nammal[15] opposite Jishnu Raghavan, Sidharth Bharathan and Bhavana.
[17][18] Then she acted in several films Mayamohithachandran,[19][20] Freedom[21] and Meerayude Dukhavum Muthuvinte Swapnavum along with Prithviraj.
[22] Then, she made her Telugu-language debut in Anandamanandamaye along with Jai Akash and it received positive reviews from critics.
Later that year, she starred in another Tamil film, Daas opposite Jayam Ravi and it was praised by critics.