Tv is one of the greatest reasearch and invention of the world. It is invented by Philo Taylor Farnsworth II. He was an American scientist. I'm India, it is first introduced by B. Sivakumaran. He was first Indian who monitored all functions of Tv and brought in use in India by January, 1950. Tv is used to watch movies, listen songs, watch news and some Tv series.Tv can show us the current situation of world. They are used to entertain us.