The Sukanya Samriddhi Yojana (SSY) is a government initiative aimed at supporting the education and wedding of the girl child. The SSY account remains operative till the age of 21 years and can be opened by parents or legal guardians on behalf of their girl child in any post office or authorised bank. However, if you need to move your SSY account from one bank to another, or from a bank to a post office, here are a few steps you must follow to ensure a smooth transition.