Aahaa is a 1997 family drama Tamil film directed by Suresh Krishna starring Rajiv Krishna and Sulekha in the lead roles. The film was a decent hit among Deepavali releases and ran for 100 days.
Shriram Rajiv Krishna is the son of Pepsi Parasuram Vijayakumar and the younger brother of Raghu Raguvaran. Raghu is married to Bhanupriya and has a son. While Raghu is a model son, Shriram is considered a wastrel. Shriram falls in love with Janaki Sulekha, the daughter of a Brahmin cook Delhi Ganesh. Parasuram opposes the match because of the difference in their status.Meanwhile, Raghus college sweetheart, Gita Sukanya is dying and she wants to spend her last days with him. She contacts him after five years and they begin meeting secretly. ........
Source: Wikipedia