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Means of Communication

The exchange of thoughts, messages, or information, as by speech, signals, writing, or behavior is called communication.


Major means of communication in the country at present are personal communications, and mass communications (including doordarshan, radio, press, films, etc.).

Personal written communications are handled by the Indian postal network. This network is the largest in the world.

Cards and envelopes are called first-class mail.

First class mail

Book packets, registered newspapers and periodicals are called second-class mail.

second-class mail.

The first-class mail is airlifted between stations, mail covering both land and connected by air. The second-class mails are carried by surface mail covering land and water transport.

For quick delivery of mails in cities and large towns, six mail channels have been introduced recently.

Rajdhani channel - This channel was introduced for transmission of mail from Delhi to six State capitals and vice versa. Yellow-coloured letter boxes have been installed for such letters.

Metro channel This channel was introduced to handle inter-metro pin-coded mail between Bangalore, Calcutta, Chennai, Delhi, Hyderabad and Mumbai. In these cities light blue coloured letter boxes have been installed especially for such letters


Green channel - Special arrangements exist in all major cities for expeditious delivery of local mail through this system. Unregistered first-class mail emanating from a town and meant for delivery within that town are delivered the next day of posting. Green-colour letter boxes are installed at selected Post Offices for posting local mail.



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