Dewang was an alumnus of Bharatiya Vidya Bhavan's Mehta Vidiyalaya, New Delhi of 197 by 1984, though it was clearly not his only calling.
Dewang was an alumnus of Bharatiya Vidya Bhavan's Mehta Vidiyalaya, New Delhi of 1976 science batch. He was a Chartered Accountant by 1984, though it was clearly not his only calling.