Television it is such a means of communication by which moving pictures and sound both reaches to us. Through it we could see live events of whole world. On 26 January 1926 John Logi Bair presented successful programme on television in Britain. In our country first television service was began on 15 September, 1959 in Delhi.
Mainly televisions are of two types:

1. Black and white
2. Colored.

Programmes are telecast from the centre by converting picture and sound into Radio magnetic waves. These waves are spread around by television antenna. These waves again converts into picture and sound in our television.
Elements of Television:
Tuner circuit, amplifier, detector circuit, power supply, picture tube, and loudspeaker are the elements of television. Picture tube in general language is called screen. On screen approx two lacs points of sensitive substances are located. There are three electron tubes in colored television camera. Such mirrors are located in these tubes that they divide light coming in cameras in three parts. T.V. can be controlled manually as well as by remote. Remote control is a small rectangular box, having buttons, when these buttons pressed, they produce invisible waves which are received by the television.

In present era very/ultra modern televisions are in used like:
Flat T.V., L.C.D. T.V. (Liquid Crystal Display T.V.) L.E.D. T.V. (Light Emitting Diode T.V.) curved T.V. etc. In advanced techniques of telecast cable T.V. and D.T.H. (Direct to home) service is in great trend. In D.T.H. T.V. telecast through high technique multi channel T.V. Programmes with the help of a small dish antenna without cable operator, by the means of satellite can be seen direct on T.V. in homes. 50 to 75 cm dish antenna is used.