He was 92.
He was admitted to the nursing home yesterday after his health condition deteriorated at his home in Nagaon district.
Bora was a Padma Shri and Sahitya Akademi winner and is survived by a son and two daughters-in-law.
His wife and another son had predeceased him.
A prolific short story writer and a poet, Bora had received the Sahitya Akademi award for his most popular work 'Edhani Mahir Hanhi' in 2001.
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He received Padma Shri in 2011 and the Assam Valley Literary award in 1998.
Assam Chief Minister Sarbananda Sonowal condoled Bora's death and said he was a well known literary figure and educationists. His death will leave a big void in the state's literary field and he will continue to be the fountainhead of inspiration for generations to come.
Sonowal also directed Chief Secretary V K Pipersenia to make ensure due state honours for the last rites of the eminent litterateur.