Hello
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Yes, you may change your Engineering college after completion of the first year.
If you want to change the college you studied in 1st year, report to the mamagement as soon as possible without any pay of fee. However, College change or university change after first year is completely dependent on the college and university norms. Some universities allow it and some won't, plus you need to have good score in first year to apply for the same. For further details, contact the college authorities
For more information visit the link given below
https://www.careers360.com/question-can-i-change-my-engineering-college-after-1st-semester-or-1st-year
https://www.careers360.com/question-how-to-change-college-after-1st-year-in-engineering