Bihar, Aug 03 (ANI): A huge evacuation drive has been launched in eight districts of Bihar and the state government has been put on high alert due to the Kosi flood threat. Bihar Government has started taking action for evacuation of people living in villages lying within the embankment area in 22 panchayats of Supaul district and other seven districts of Bihar. Relief camps including cattle relief camps are being organised for the evacuated families.