Mumbai, May 25 -- Actor Anupam Kher expressed grief on the unexpected demise of his co-star and friend Mukul Dev.

The 'Son of Sardaar' actor Mukul Dev, known for his work across Hindi, Punjabi, South Indian cinema, and television, passed away at the age of 54 on Saturday.

Anupam Kher shared a video from his Instagram handle expressing shock and disbelief at actor Mukul Dev's sudden demise.

"It's unbelievable. It's so sad. Even the definition of sad is small. He was a very lively person. We spent a lot of time together in 'Chaar Din Ki Chandani', even after that, because we became friends, we used to talk on the phone," said Kher.

The 'Tanvi The Great' director recalled Mukul Dev's cheerful nature while paying tribute to him.

"Rahul D...