In these times of rampant Terrorism, the Airport officials are already under a lot of pressure during checks of incoming people. The Mumbai Airport officials played by the rules. No sympathy necessary for illegal entrants.
This dude has left the papers of non-Indian citizens (his children) at home and is taking them to enter India. What else does he expect? Ask him to forget his green card papers in India and then try to enter the US. He'll be jailed and interrogated in deepest part of the Department of Homeland Security!!