Ponnar Shankar
Thamarai falls in love with her maternal uncle which invites the wrath of her family. They arrange her marriage with the ruler of a neighbouring country instead
Starring Prashanth Thyagarajan, Pooja Chopra, Divya Parameshwaran, Sneha, Prakash Raj, Prabhu, Jayaram, Khushboo, Nassar, Rajkiran
Watch "Ponnar Shankar" on Amazon released in 2011. It's a history and drama movie, and has a rating of 4.3 out of 10 from Imdb which is fairly low for this kind of movie, and is currently only available for purchase or rent.