Hi Archana,
As you are doing b.tech you have the option of changing your branch or college after 1st year. In engineering, first year of all branch is almost same so you can get you branch change without any problem. If you want to change your college then you have to apply for TC and NOC in your current college. You will get it according to the guidelines of your college. You can get more details from the student care of your college.
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