7 engineers take only 1 Ticket and 7 doctors buy all 7 tickets..
Doctors are desperately waiting for TC to come......
When TC arrives,
All 7 Engineers get in one toilet so when TC knocks, one hand come out with the ticket and the TC goes
Away....
NOW on return Journey All of them don't get a direct Train to PUNE. So they all decide to take a Passenger till Lonavala, from there they can easily get a LOCAL to PUNE