Complex sentence: Narinder Kumar Gupta (born 22 August 1942 in Mirpur, Jammu and Kashmir, India, (now in POK)), also known as N. K. Gupta is Professor of Mechanics at the Indian Institute of Technology in Delhi.
Split into simpler sentences: Narinder Kumar Gupta, also known as N. K. Gupta was born on 22 August 1942 in Mirpur, Jammu and Kashmir, India, (now in POK). He is Professor of Mechanics at the Indian Institute of Technology in Delhi.