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SAI International School
                                             Grade-X, Sub: Geography

                                       Ch7- Lifelines of National Economy
                                  Sub Topic 4- Transport (Airways), Communication




       Sub-topics        Lesson Notes

       Transport         Airways
       (Airways),        • Airways fastest, most comfortable and prestigious mode of transport.
       Communicati       •  t can cover very difficult terrains like high mountains, dreary deserts, dense
       on- (page no-        forests and also long oceanic stretches with great ease.
       88 to 90)
                         • The air transport was nationalized in 1953.
                         • Indian Airlines, Alliance Air, private scheduled airlines and non- scheduled
                         operators provide domestic air services.
                         • Pawan Hans Helicopters Ltd. provides helicopter services to Oil and Natural Gas
                         Commission in its offshore operations, to inaccessible areas and difficult terrains.
                         • There are two types of airports in India:
                         → International
                         → Domestic

                         Communication
                         • The means of communication are of two types personal communication and mass
                         communication.
                         •Personal communication: It includes postcards, letters, telegrams, telephones
                         and emails.
                         • Personal written communications: Indian postal network is the largest in the world.
                         → First–class mail: They are airlifted between stations covering both land and air.
                         Cards and envelopes.
                         → Second–class mail: They are carried by surface mail, covering land and water
                         transport. Book packets, registered newspapers and periodicals.
                         →To facilitate quick delivery of mails in large towns and cities, six mail channels
                         have been introduced recently. They are called Rajdhani Channel, Metro
                         Channel, Green Channel, Business Channel, Bulk Mail Channel and
                         Periodical Channel.
                         • Mass communication: It includes magazines, newspapers, radio, television,
                         press and films.
                         • India has one of the largest telecom networks in Asia.
                         • Mass communication provides entertainment and creates awareness among
                         people about various national programmes and policies.
                         → Radio: All India Radio (Akashwani) broadcasts a variety of programmes in

                         national, regional and local languages for various categories of people, spread over
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