[1] He is also an emeritus professor of Bharti School of Telecommunication Technology And Management, a joint venture of IIT Delhi[2] and is known for developing new techniques, algorithms and hardware in signal processing.
[9] Subsequently, he joined IIT Delhi the same year as a member of faculty and simultaneously enrolled for his doctoral studies there to secure a PhD in 1974.
[5] In 1976, he took a sabbatical to work at Loughborough University of Technology as a visiting research fellow and returning to India in 1977, he resumed his career at IIT Delhi where he served till his superannuation as the director, a post he held from 2006 to 2011.
At IIT Delhi, he served in various positions as a professor, coordinator of the Bharti School of Telecom Technology and Management (BSTTM), dean of undergraduate studies and deputy director.
[12] Prasad's wife is also an academic at University of Delhi and the family lives in Gurgaon, a city in the National Capital Region of India.
[5] He has edited three books and served as the guest editor of Journal of Research of the Institution of Electronics and Telecommunication Engineers for its June 2015 issue.