It is a well-known fact that Simbu jetted off to Thailand soon after wrapping up the shoot of his upcoming film, 'Pathu Thala'. He took martial arts training and was working out to build his body for the new project with director Desingh Periasamy under Ulaganayagan Kamal's production.

Now, sources say that Silambarasan is returning to India tomorrow. He will be present at the grand audio launch event of Pathu Thala slated to take place in Nehru Indoor Stadium in Chennai on March 18th evening. The official announcement regarding the music release function will be made soon by the production house Studio Green.

AR Rahman, who scored music for the film, will perform live at the lavish event. Many top celebrities are invited by the makers and stars such as Suriya, Pa Ranjith and Siruthai Siva might attend the event as guests. The movie, directed by Obeli N Krishna, will hit the screens worldwide on March 30. It also stars Gautham Karthik and Priya Bhavani Shankar.