Read the article
Begin by remembering what the question is for. The interviewer has your resume. They are asking so that they can hear you speak, see how you organise your thoughts, and decide where to take the conversation. Whatever you mention is likely to become the next question. That is useful, because you can choose what you are asked.
The first part is who you are now. Give your name, branch and college once, then a sentence on what interests you in your field. Keep it short. Something like: 'I am finishing my final year in electronics at my college, and the part I have enjoyed most is working with embedded systems.' You are already pointing at a subject you would like to talk about.
The second part is what you have done. Choose one or two things, not all of them. A project is usually the best choice, because it lets you describe a problem, what you built and what you learned. If you did an internship or took part in a competition and it relates to the role, add a line on it. Mention only what you can discuss for several minutes. If you say you built a project, expect to be asked how.
The third part is what you are looking for. Say what kind of work you want to begin with, and one reason it interests you. You do not need a five-year plan. 'I would like to start in a role where I can work on software that real people use, and learn from a team' is honest and fine. If you know something about the company or the role, a short link to it shows you have done a little homework.
Now think about what to leave out. Marks from school, a full list of tools, your parents' occupations and phrases like 'I am hardworking and a quick learner' take up time without telling the interviewer anything. If there is something on your resume that you worry about, such as a low semester, do not raise it here. Prepare a short, calm answer for it in case it is asked.
Write the answer down once, then put the page away. Say it aloud to a friend, a senior or a mirror. Notice where you rush, where you stumble, and where you sound like you are reciting. Change the words to ones you would actually use. Say it three or four times over a few days. The goal is not to remember it word for word. It is to know the three parts so well that you can say them in your own voice.
Keep a shorter version as well. Sometimes an interviewer says 'briefly' or the room is running late. Practise a thirty-second version that covers the same three parts. Having it ready means you will not panic.
Finally, stop when you have finished. Many students keep adding details because the silence feels uncomfortable. A calm pause at the end tells the interviewer that you are ready for their question, and that is exactly the point. If you get a chance to practise in a mock interview, ask the interviewer afterwards what they remembered from your introduction. If they remembered the right things, your answer is working.