Sun TV's Thirumathiselvam has a tragic twist in the upcoming weeks when Rajasekhar will be killed. In the upcoming episodes you will see that Revathi has informed Rajasekhar that Sankaralingam took signatures in blank documents when he kept it between the original documents for registration. This will upset Rajasekhar to a great extent and he will end up having a fight with Sankaralingam. Sankaralingam ends up later leaving Rajasekhar.
Pandi will see this as a chance to kill Rajasekhar and takes the opportunity and teams up with Sankaralingam and Vasu and end up killing Rajasekhar. Their plot was to kill Rajasekhar and share the land between them. In a fatal twist Vasu will end up betraying both Sankaralingam and Pandi and will swindle the property which earlier belonged to Rajasekhar.
Revathi will later understand that Vasu planned the killing of Rajasekhar. Revathi will start feeling that her father Rajasekhar was killed only because of her.