Getting an internship as a student is the best thing a student can have. As it will increase your knowledge as well as it will help you to earn some money.
First of all, you need to learn some skills and become comfortable with them. For example, you can learn Android Development from youtube, udemy, blogs, and other mediums.
After that, start applying to an internship on different portals like "Internshala", "Linkedin Jobs" etc.