Television Commercial
From the earliest days of the medium, television has been used as a vehicle for advertising in some countries. In India, since their inception in the late 1970s, television commercials have become by far the most effective, most pervasive, and most popular method of selling products of all sorts. The radio advertising and print advertising industries were well-established when television made its debut in the late70s and early 80s. Doordarshan being the sole service provider had a monopoly on the content and relay. The programs, mostly - on development, social, and with a few commercial serials. These brief commercial serials had "breaks" that interrupt shows regularly - which are the primary reason for the existence of modern-day television networks. Soon with the Govt. rules in broadcasting industry relaxed, more players entered, starting the early 90s. A typical 30-minute time block includes 23 minutes of programming and 7 minutes of commercials (though some half-hour bloc