What is the minimum qualification to become a ham?

No educational qualification is specified  to become a ham. Anybody who has attained 12 years of age can become a ham radio operator after passing the Amateur Station Operator's Certificate (ASOC) Examination conducted by the Ministry of Communications, Govt. of India. You have to send a "Birth Certificate" or the "High School Leaving Certificate" (which mentions your date-of-birth) as a proof of your age. There are four different grades of Amateur Wireless Telegraph Station Licence.
-Those between the age group of 14-18 years can apply for Grade-I, Grade-II, Restricted Grade or a Short Wave Listener's licence (listening to the ham radio operators without this licence is considered illegal!).
-Those between the age group of 12-14 years can apply for Grade-II, Restricted Grade or a Short Wave Listener's Licence.
-The application for the grant of such licences should be accompanied by a certificate from the head of the educational institution recognized by a board or university in India, attended by the applicant or from his legal guardian that the applicant is interested in and is competent to conduct experiment in wireless communication.

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