Actor Dhairya Karwa, who was a part of films '83' and 'Uri: The Surgical Strike', has said he's striving to play a lead role now. "Ensembles helped me gain confidence to shoulder films in future," he added. "It's credit to those films, they've been my learning ground and acting school...I'm prepared now," said Dhairya, who'll next be seen in 'Gehraiyaan'.