Which is the cheap and comfortable mode of transport?

Narrow gauge tracks are used in the areas of

When was Air India started?

Which one of the following carry both goods and passengers?

All the important towns and cities are connected by the

Who invented Aeroplane?

Underground railways are called 

Which one of the following highways link important places within a state?

The 'lifetime' of our country are

Which type of energy is used for moving the bicycles?