What do we write on an inland?

Which is the mean of transport used in villages?

We can reach any place easily by a:

Which is the fastest means of communication?

When the traffic light is red, it means:

Yellow traffic light means:

Which is the cheapest means of transport in Indian cities?

We talk to people in far off cities using:

Who are the people who help us reach our letter to the right people?

What does green traffic light indicate?