B.K. Chakrabarti Ph.D. is an Emeritus Scientist with the Geological Survey of India and a Sir J. Coggin Brown Gold Medalist for his work on Precambrian geology. Dr. Chakrabarti served with the Geological Survey of India for 35 years and has published more than 30 articles on the subject. He was also a Fellow at the W.B. Academy of Science & Technology in Kolkata, India. Now retired, Dr. Chakrabarti is also editing a book on the Precambrian of the Indian Peninsula to be published by the Indian Journal of Geosciences.