The average pay for a Public Relations (PR) Manager is Rs 484,671 per year. A Journalist earns an average salary of Rs 249,093 per year. You get double the money to convince a person who earns half of what you do! (Data Source: PayScale.com)
News is what someone somewhere wants to suppress; all the rest is advertising.
Take a look for counter-propaganda from the Americans.
Classic German Propaganda Film