Rajeev Khandelwal. HE CALLS himself the black sheep of the family. Now riding high on the success of his role as Sujal in the tele-soap "Kahiin To Hoga" on Star Plus, he says, when he first told his father, an Army officer, that he wanted to be an actor, his father could not believe his words. Striving for years together, first in Delhi and then in Mumbai, Jaipur-born Rajeev Khandelwal himself could not believe it when he finally tasted success through this Balaji Telefilm production after many a slip. "I struggled in Delhi to get noticed. I ended up doing a few plays. Nothing more. Finally, I had to migrate to Mumbai. There too, running from pillar to post, I almost thought I had lost it till one day I went for a screen test to the Balaji studios for the serial. I could not believe that I bagged the lead role of Sujal," says this 27-year-old chemis