Actor Sunny Deol who believes in his work in a film and not in promotions, says the trailer of the film is the biggest promotion.

"Promotions have become very important these days. I have done promotions before but I got tired. The trailer of the film is the biggest promotion... if we like the trailer, then we decide to watch the film. These days promotions have become very weird but we have to this, " he told reporters during the music launch of his latest film "Singh Saab The Great".

Shy actor Sunny was seen in a different mood and also delivered few dialogues from his films including "Ghayal", "Damini" and "Singh Saab The Great".

"Singh Saab The Great" is directed by Anil Sharma.