3. What is mass communication? What are the different means of mass communication? What is the significance of mass communication in a country like India?
OR
How are pipelines useful? Explain any four merits of pipeline transport in India.​

Mass communication: Means like electronic media which covers large number of people at the same time. Different means of communication are radio television films and internet newspapers and magazines.Significance of mass communication are: i Covers more than 95% of Indias total population. ii Source of education and entertainment. iii Most instant means of mass information. iv Brings all classes of people together.