A minor or a child can invest in mutual funds through a parent or guardian. The guardian can operate the mutual fund investments of the child until they attain the age of 18 years. Post 18 years, the guardian cannot operate the account. However, all the existing investments will continue unless the child who turns 18 years instructs to halt them. Furthermore, the child has to submit the request for a change of status from a minor to a major, once they attain majority. Any of the following documents can be submitted for the account opening on behalf of the minor: Birth certificate of the minor School certificate or Mark sheet issued by the Higher Secondary Board of respective states, ICSE, CBSE, etc. Passport of the minor Any other suitable proof evidencing the date of birth of the minor For investments done by a natural guardian, one has to submit a document as proof that the relationship with the minor if the same is not available as part of the documents submitted as in the points above. For investments by a court-appointed legal guardian, a copy of the court appointment order of the Legal Guardian has to be submitted.