An Innocent Girl) is a 1971 Indian Tamil-language mystery drama film directed and co-written by S. S. Devadoss.

The film stars Gemini Ganesh and Devika, with R. Muthuraman, Nagesh, V. K. Ramasamy, V. Nirmala, Radhika, K. Balaji and S. Varalakshmi in supporting roles.

The film was released on 2 July 1971, received critical acclaim and became a commercial success, with a 100-day run in theatres.

Janaki constantly coddles Radha, and is close to Doctor Lakshmi and her son Manohar, a psychologist.

On the train, he meets Rani, daughter of Bhoopathy Raja, a local zamindar.

Ramu's superiors order him to travel to London for an urgent investigation while Janaki decides to find the man responsible for Radha's pregnancy.

Ramu draws his revolver on Muthu, who reveals the truth: he was about to drink his medication when he heard a car and rushed into his room, assuming it was Janaki.

A disoriented Ramu came out of Radha's room and informed Muthu that Janaki was sleeping inside and that he was leaving for work.

Hearing this, Janaki asks Ramu to accept Radha as his wife before dying from a heart attack.

Veguli Penn was directed by S. S. Devadoss,[4] and is based on Kalaignanam's play Vellikizhamai.

While Devadoss also wrote the screenplay, the dialogues were written by Vietnam Veedu Sundaram.

[3] No distributor was willing to buy the film as they felt it was too "arty", which prompted Jennat Combines to take over distribution.

The film received critical acclaim and became a commercial success with a 100-day run in theatres.

[11] Devika won the Chennai Film Fans Association Award for Best Supporting Actress.