Sekhar Basu was appointed as the Atomic Energy Commission Chief in October, 2015.
Noted scientist Sekhar Basu on Friday got one-year extension, till September next year, as Atomic Energy Secretary and Atomic Energy Commission Chairman.
He was appointed to the posts in October last year and his tenure was to end next month.
The Appointments Committee of Cabinet has approved extension of tenure of Mr Basu for a period of one year beyond September 19, 2016, an order issued by Department of Personnel and Training (DoPT) said.
Mr Basu is an engineer of exceptional ability who has played a lead role in multiple areas of nuclear science and engineering and is a major contributor in establishing India as a leader in nuclear field.
He had been Director of Bhabha Atomic Research Centre (BARC) and chief executive of the Nuclear Recycle Board (NRB).
Mr Basu, who was instrumental in setting up reprocessing and waste management facilities at Indira Gandhi Centre for Atomic Research in Kalpakkam, is a recipient of Padma Shri award.
He is one of the architects of the highly complex nuclear reactor for India's first nuclear-powered submarine INS Arihant, which is still under trial.
The Power Reactor Fuel Reprocessing Plant at Tarapur was also built under his guidance. Mr Basu is an engineering graduate from Veermata Jijabai Technological Institute in Mumbai.