Nearly all cities and towns have some kind of public transport, among them buses and taxis which implies going around in India is not a difficulty.
Information about almost all kinds of public transport in India which includes airlines, airports in India, bus routes, driving maps and trains in India are listed on this page.
The tables underneath provides more information relating to the travel methods to get around India: Travel by rail, travel by air, and travel by bus and car.
Airports in India
Public Transport in India
Indian Public Transport Questions