Shiv Ganga doing MPS thru a Jn - on every RailFan's bucket list

Hi friends,
My name is Karthik P. I am from hyderabad. But right now i am in chennai.
I have to schedule my US visa appointment interview/finger printing in Kolkata or new delhi or mumbai consulate on 11th Aug 2014.
The choice of the City for my visa interview will be decided by 11 am today.
Can...
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the railway gurus please advice me for my travel from chennai today so that i can reach any of the above cities(new delhi or kolkatta or mumbai) by monday (11 Aug morning 8 am).
As per your advice i will book tickets to all the above citiies. I will cancel the tickets for other cities once i come to know the city for which US consulate dates are available on 11th aug by today morning 11 AM.