We recommend you to go for LLm degree or can go for state judicial exam and have atleast 3years experience in high court or subordinate law course to become successful magistrate.
https://law.careers360.com/articles/indian-judicial-services-examination-what-and-how-prepare%3Famp&ved=2ahUKEwjelLn29q3dAhVDKY8KHWnTAhsQFjAAegQIBBAB&usg=AOvVaw2nMcmsNkTTqJjRk7LGEZ3g&cf=1
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