Former Chairman of Coal India Limited (CIL). Mr. Bhattacharyya steered CIL through Miniratna in 2007, Navratna in 2008, and finally Maharatna in 2011.
In 2010, Mr. Bhattacharyya spearheaded the Initial Public Offer (IPO) of 10% of CIL's equity which met with resounding success and became a landmark event. The IPO was one of the top three in the World that year and is still the largest in India so far. He authored WHEN COAL TURNED GOLD in Aug 2018. The Foreword to the book was written by Shri Pranab Mukherjee, Former President of India.
Post CIL, Mr. Bhattacharyya served for around five years in whole-time Board level positions, initially at Haldia Petrochemicals Ltd and thereafter, at Deepak Fertilizers and Petrochemicals.
Mr. Bhattacharyya is currently on the Board of several reputed companies viz., Haldia Petrochemicals Ltd., Deepak Fertilisers and Petrochemicals Corporation Ltd., Smartchem Technologies Limited, Ramakrishna Forgings Limited, Karan Chand Thapar & Bros (Coal Sales) Ltd., Tide Water Oil Co India Ltd., Performance Chemiserve Limited and Advanced Performance Materials Private Limited.