Export excess import is called

 Paradip port is located in the state of

Which of the following is the oldest artificial port of the country

The national television channel of India

The first train steamed off in 1853 from

The air transport was nationalized

 Border Roads Organization established in the year

Radio, television, newspapers, magazines, books and films are the means of

The country has the largest road networks in the world

Trade between two or more countries across international borders