hello riya,
your score in class 12 is really good. see its your choices to make. if this year your jee main score is not that good and you are really pasionate about engineering and iit is a dream for you then you can take one year gap. one year gap is not makee any big impact of your career.
but remember you need to study hard and always need to stay motivated.
so best of luck for your future endeavor!
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile