The Shankar-directorial was released on the occasion of Diwali, 1999. 
Slideshows

Revisiting Mudhalvan: A trip down the memory lane with interesting trivia, working stills, unseen posters & paper ads

Team CE

Om: Dhanush-Rajkumar Periasamy film gets a title and release date

Shankar's son Arjith to debut with Krithi Shetty in Lover Boy

Chinna Chinna Aasai director Varsha Vasudev: I wanted Varanasi to look beautiful, not superficial

Vijay Sethupathi to star in Kiruthiga Udhayanidhi's next film

Girish AD reveals premise of Bethlehem Kudumba Unit, starring Nivin Pauly and Mamitha Baiju