We are great friends: Sidharth on relationship with Alia

The "Ek Villain" actor feels there has been a drastic change in Alia as an actress."I think 'Student of the Year' was the least that she got...'Highway' took her to another level and from there she has gone up. You see that in front of the camera," he said."There is a remarkable change in her as an actor...the way she enacts a scene and all," Sidharth said.