Shammi Kapoor upbeat about working with Ranbir in Rockstar

Bollywood's veteran actor Shammi Kapoor on Saturday said he was upbeat to appear along with his 27-year-old grandson Ranbir Kapoor in upcoming film Rockstar,directed by Imtiaz Ali.Kapoor who was the chief guest at the third convocation ceremony of Whistling Woods International,a film institute in Mumbai,said his falling health couldn't impede his excitement to get back to work after 10 years.Whistling Woods International, considered Asia's largest Film, Television, Animation and Media Arts institute, is promoted by filmmaker Subhash Ghai.