7 Engineers and 7 Doctors are going from PUNE to Mumbai.

So, they both gather at Pune Station.
Both groups are desperately trying to prove their superiority.

SCENE 1 (PUNE - MUMBAI) :
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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.

SCENE 2 (MUMBAI - LONAVALA) :
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Doctors decided, "this time we will prove that we too are equal"....All 7 Doctors take 1 Ticket. Engineers don't buy any ticket at all!!!!!..
TC arrives....

ALL DOCTORS IN ONE TOILET.ALL ENGINEERS IN THE OPPOSITE ONE..

One engineer gets out and knocks the door of Doctors toilet, One hand comes with the tickets, he takes the ticket and comes in engg. Bathroom...
TC DRIVES out ALL the doctors from the toilet and they are heavily fined

SCENE 3 ( LONAVALA) :
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SO now both the group r on LONAVALA station. Doctors planning their move for last chance, they board the loc al to Pune.
This time doctors decide that they will play the same(1 ticket) trick.
ALL Doctors take 1 tickets...Engineers BUY all 7 tickets this time...
SO TC Comes.. All Engineers showed their tickets.....

Doctors are still searching for toilet in the LOCAL train...........

CONCLUSION : Technically intelligent people are geniuses, don't mess with Engineers.