TV actor Kavi Kumar Azad, who was best-known for his role of Dr Hansraj Haathi in the popular comedy show Taarak Mehta Ka Ooltah Chashmah, died on Monday afternoon after suffering a cardiac arrest, news agency IANS reports. Mr Azad was unwell and was admitted at Wokhardt Hospital in Mumbai. Asit Kumarr Modi, the producer of Taarak Mehta Ka Ooltah Chashmah, confirmed the news of the actor's death. "We are very sad to inform the loss of our senior actor Kavi Kumar Azad. He was playing the character of Dr Hathi in Taarak Mehta Ka Ooltah Chashmah. We lost him to a massive cardiac arrest today morning," Mr Modi said in a statement, IANS reported.