New Delhi, June 29 -- In two separate incidents, Air India was back in the news for odd reasons. In one incident, a male passenger onboard an Air India flight from Amritsar to the national Capital on Saturday behaved in an unruly manner, engaged in a verbal altercation with a co-passenger and was handed over to airport security after landing at Delhi airport. The incident occurred on flight AI454.

In the second incident, a Chennai-bound Air India flight was forced to return to Mumbai on Saturday due to a "burning smell" in the cabin. The aircraft, however, landed safely, Air India said in a statement.

"Air India flight AI639, operating from Mumbai to Chennai on Friday, June 27, made a precautionary air return to Mumbai due to a burning sm...