Karthi, kollywood actor and son of ace actor Sivakumar is also venturing into the philanthrophic activities like his brother and father. The young actor will be shortly seen in a short film titled 'Hero' which is aimed at winning the rights for the transgenders. “The organisers of Hero project had approached me and asked me to represent for the cause. I was too glad to be part of the project and immediately agreed to endorse it”, said Karthi. His just released flick Naan Avan Alla had made waves among the young audience. The actor is currently getting set to act in the tamil remake of the telugu flick 'Vikramarkudu'.