I'm assuming you're looking for a proper guide on Sathi Leelavathi in TamizhYogi. Here's some information:

Pros:

The story revolves around Arun (Ramesh Aravind), who is bored with his wife Leelavathi (Kalpana) because of her plain looks and weight. He starts an extramarital affair with Priya (Heera). When Leelavathi discovers the infidelity, she teams up with Dr. Sakthivel (Kamal Haasan) to win her husband back through a series of clever and hilarious schemes. Cultural Impact & Legacy

Cons:

Crazy Mohan’s Dialogues: The film features sharp, clean, and rapid-fire humor written by the late Crazy Mohan, a hallmark of his successful collaboration with Kamal Haasan.

Kamal Haasan (Dr. Sakthivel): In a supporting role that he also produced, Kamal steals scenes with a distinct Coimbatore Tamil accent.

Starring: Ramesh Aravind, Kalpana, and Heera Rajgopal, with iconic supporting roles by Kamal Haasan and Kovai Sarala.