Actor Sunny Deol promoted his upcoming film Singh Saab The Great on the sets of the TV serial 'C.I.D.', in Filmcity, Mumbai, on Tuesday, November 12.

Sunny Deol said after the special shoot: "I saw an episode (of C.I.D.) before coming here to understand what it was and then I came to know it has been there for 16 years! What else can I say!"  Show less