Twelve MLAs on Friday took an oath as ministers as Assam CM Himanta Biswa Sarma expanded his cabinet to 17. Among new ministers are Asom Gana Parishad (AGP) leader Keshab Mahanta, who earlier served as a minister in the previous government and former Assembly speaker Biswajit Daimary. CM Sarma, along with four other ministers, took an oath on May 12.