[8] Her granddaughter, Vaishnavi Aravind is also an actress who appeared in several Tamil, Telugu and a few Malayalam films, starting in 1987.

[9][8] Sowcar Janaki has been a prominent radio artist at "Aakashvani Madras" from the age of 14.

Her lead heroine roles in Valayapathy (Tamil), Rojulu Marayi (Telugu), then in Tamil, such as Naan Kanda Sorgam, Kaviya Thalavi, Bhagya Lakshmi, Pallum Pazhamum, Paar Magale Paar, Thayikku Thalaimagan, Kumudham, Panam Paadithavan, Puthiya Paravai, Bama Vijayam, Oli Villaku, Ethir Neechal, Maanavan, Uyardha Manidhan, Nimarundhu Nil, Thunaivan, Needhi, Kaliyuga Kannan and Iru Kodugal (Tamil), with Kannada films such as Devakaanika, Saaku Magalu, Sadarame, Thayige Thakka Maga received popular recognition.

Janaki's Malayalam debut Schoolmaster (1964) and with a film in Hindi - Teen Bahuraniyan.

[citation needed] Janaki moved to supporting roles after 1975 and her performances in Tamil films like Cinema Paithiyam, Thee, Thillu Mullu, Vetri Vizha, Puthu Puthu Arthangal, Kaanche and her performances in Telugu language films like Bezwada Bebbuli, Tayaramma Bangaraya, Samsaram Oka Chadarangam were widely appreciated.

She even acted in Hindi films in supporting roles in Dosti Dushmani and Prem Geet.

She acted in supporting roles in films with M. G.Ramachandran as lead hero like Panam Padaithavan, Petralthan Pillaiya, Thaikku Thalaimagan, Oli Vilakku.

Ramaswamy, Major Sunderrajan, Nagesh, Srikanth, AVM Rajan, Gemini Ganesan, Ravichandran, Dr. Rajkumar, Kamal Haasan, Rajnikanth, Ajithkumar and Mammootty.

[citation needed] She has performed on stage in 3 popular plays, written and directed by K. Balachander, in over 300 shows.