Bora was elected from Bokakhat in 2016 polls with 62,962 votes.
The AGP on Sunday released its list of 8 candidates for the first phase.
The party has fielded executive president and minister Keshab Mahanta in Kaliabor.
The other candidates are:
Teok: Renupoma Rajkhowa
Dergaon: Bhabendra Nath Bharali
Amguri: Pradip Hazarika
Chabua: Punakan Baruah
Naoboicha: Jayanta Khaund
Tezpur: Prithviraj Rabha