According to the rules of the Indian Wireless Telegraphs, HAM radio refers to "A service of self training, inter-communication & technical investigations carried on by amateurs, that is, by persons duly authorized under these rules interested in radio techniques solely with a personal aim without pecuniary interest"
Amateur radio (HAM) is a group of people who use radio transmitters and receivers to communicate with one another. Amateur radio operators use their radios in a variety of ways that are as varied as the people themselves. Amateur radio operators are commonly referred to as "HAM radio operators" or simply "HAMs"
Amateur radio (HAM) is both a hobby and a service. Over 30 lakh people worldwide participate in this hobby in their spare time; in India, there are approximately 15000 amateur radio operators
Amateur radio operators must pass an examination administered by the Ministry of Communications and Information Technology of the Government of India in order to operate or own a radio station