Siddhartha Bhattacharyya has directorship in 2 companies. Siddhartha Bhattacharyya has first started the directorship with Burdwan Oxyzen Private Limited company as Director on 21 August, 2007,
and Siddhartha Bhattacharyya was last appointed as Director on 01 November, 2011 in Lifegen Gases Private Limited company.