New Delhi, Dec. 21 -- A day after an off-duty Air India Express pilot allegedly assaulted a passenger at the Delhi airport, the ministry of civil aviation on Saturday said they have taken cognisance of the incident and directed the airline to ground the pilot with immediate effect. The ministry said a formal enquiry has been ordered and detailed reports sought from the Bureau of Civil Aviation Security (BCAS) and the Central Industrial Security Force (CISF). P11...