Air India's director of operations Arvind Kathpalia, who failed two breathalyser tests before he was scheduled to be a pilot on a London to New Delhi flight on Sunday, has been fired and the airline will carry out an investigation into his conduct, the company said.
A flight attendant fell out of an Air India plane while trying to close its door on Monday, the airline said, reportedly breaking her leg when she landed on the tarmac.
Jet Airways and state-owned Air India are struggling to stem losses in the world's fastest-growing domestic aviation market.
The airline said it was looking for a short-term loan of Rs 10bn ($148mn) "to meet urgent working capital requirements".
The government had announced a plan in March to sell a 76% stake in the airline.
Singapore Airlines has an open mind about making an initial bid for a stake in state-run Air India, the head of the Singaporean carrier's India business told Reuters on Thursday.
India will transfer part of Air India's $8.5bn debt pile to a special purpose vehicle before selling a stake in the state-owned carrier, its junior civil aviation minister told Reuters on Friday.