Thullum Kaalam is a 2005 Indian Tamil-language romantic comedy film directed by M. Rajesh.
The film stars Shankar as Sindhu, a carefree plus two student who lives in Polur with his elder sister Porkodi and brother Santhosh, an upright military officer. Tamizhselvi, played by Heera, is a hard-working and haughty plus two student who hates her cousin Sindhu.
Sindhu falls in love with Divya, a rich girl from a college in the city, but his immaturity causes him to lose her. Later, he marries Thamizhselvi, an arrogant girl who also fails in life. The film follows their journey as they face various challenges and eventually find happiness together.
The movie features Shankar, Vineetha, Murugan, Megha, Heera, and Rajini Nivetha in lead roles.