He has worked with the Archaeological Survey of India, Tata Institute of Fundamental Research and Physical Research Laboratory, all of which are All-India institutions.At the Physical Research Laboratory, he was a Senior Professor and Area Chairman of the Quaternary Paleo-Climate Study Area, a large multi-disciplinary research group.Agrawal has made significant contributions to the fields of paleoenvironment, pre-historic archaeology, radiocarbon dating, the archaeology of metallurgy, and the history of science and technology in India.
He is a fellow of the National Academy of Sciences.
After retirement from the Physical Research Laboratory in 1993, he has been working as the Honorary Director of the Lok Vigyan Kendra in Almora, where he coordinates research on "traditional knowledge systems," codifying the accumulated folk knowledge on the crops, medicinal plants and biodiversity.
He is also the chief editor of a multi-volume international project on the history of science and technology.
The 1971 book Copper Bronze Age in India reports an integrated study of the Copper-Bronze Age carried out at the Tata Institute of Fundamental Research, covering its chronology, technology and ecology.
or radiocarbon dating is a technique used in dating matter such as bone, cloth, wood and plant fibre - anything that was once alive.
All living things contain an element called carbon.
This carbon is present in different varieties, one of which is carbon-14.
Out of the different forms, carbon-14 is special because it is radioactive.
Being radioactive, in simple terms, means that the element disintegrates over time.