Thathi Thavadhu Manasu is a 2003 Indian Tamil-language drama film written and directed by Azhagu Rajasundaram.
The film stars Sona, Urvasi Patel, and Sindhuri, with Mumtaj, Vadivelu, and Kalabhavan Mani in supporting roles.
Produced by V. K. Riaz Ahmed, the story is based on two real-life incidents: the murder of a lawyer in broad daylight and an accident.
The film follows three village girls who attend a friend's wedding in Chennai but are left stranded after their money is stolen.
Police officer Mumtaz investigates the disappearance of the girls, who had not returned to their village.
The film was released on 19 December 2003 and marked the directorial debut of Azhagu Rajasundaram.