What role does Ghanashyam Nayak play in India's longest running sitcom serial?
Ghanashyam Nayak Ghanashyam Nayak is an Indian film and television actor. He has appeared in a number of tele serials as well as films. He is currently playing the role of Natwarlal Prabhashankar Undhaiwala a.k.a. Nattu Kaka in "Taarak Mehta Ka Ooltah Chashmah". By qualification he is tenth pass.
Ayushmaan Ayushmaan is a Hindi language Indian television serial on Sony Entertainment Television Asia (Global), started late in 2004. It is a story of a child medical genius.