Professor Ravindra Nath Singh is a co-investigator with Cameron Petrie on the TwoRains project and is involved in most of the field research in India, including excavations at Lohari Ragho II and Masudpur I. He has directed several field projects in India, including six sites jointly with Cameron Petrie as part of the Land, Water and Settlement project. His more general interests are in archaeological science, and the history of science and technology, particularly archaeometallurgy, glass technology, and climatic studies.