Many countries are eligible for Indian eVisa on arrival. Please check this page for more details. If your country is not enlisted there, please mail us and we will send you an invite.
Getting to IIT - Bombay
IIT Bombay is located at Powai, which is an eastern suburb in the North-Eastern part of Mumbai.
International flights land at Terminal 2, Chatrapati Shivaji International Airport (Sahar Airport), which is about 10 kms from IIT Bombay. The Domestic Airport is at Terminal1A and Terminal 1B (SantaCruz), which is about 15 kms. Call taxis and Pre-paid taxis and autorickshaws are available at the airports.
This page has some details and important contact numbers which might be useful during you stay at IIT-B.