He is the fifth top ULFA brass to be released on bail.
Mama's bail bond was accepted by the court of the chief judicial magistrate yesterday and he was released from the jail this morning.
Buragohain was arrested by Bhutanese Royal Army during the 'Operation All Clear' in December 2003 and was handed over to Indian authorities.
ULFA's self styled vice-chairman Pradip Gogoi, deputy commander-in-chief Raju Baruah, cultural secretary Pranati Deka and publicity secretary Mithinga Daimary have been earlier released on bail.
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