Ranchi: Bihar’s Chief Minister Nitish Kumar’s aircraft has diverted. Nitish Kumar was going to Delhi from the Air Asia flight from Kolkata to Ranchi. But, this plane returned to Kolkata. The chief minister is waiting for next flight. It is being told that due to technical disturbances in the aircraft, it has been diverted to Calcutta and called back. Nitish Kumar has come to Ranchi to attend theTribal Senegal rally.