She was one of the popular lead Malayalam actresses during 1984-1988.She is well known for her portrayal of Charumathy in Nayakan (1987).
[1][2] Karthika was born in Thiruvananthapuram, Kerala to Captain P. K. R. Nair, a retired army officer, Ex Servicemen Corporation Chairman and leader of Ex-Service Congress affiliated to the Indian National Congress.
Adiverukal, Thalavattam, Sanmanassullavarkku Samadhanam, Neela Kurinji Poothappol, Ente Entethu Mathram, Desatanakkili Karayarilla, Kariyilakkattu Pole and Adukkan Entheluppam are the films performed by her in 1986.
[6] She made her Tamil debut in 1987 through Nayagan with Kamal Haasan, Saranya Ponvannan and Nizhalgal Ravi.
Her second and final Tamil film was with Sathyaraj in Poovizhi Vasalile directed by Fazil.