hii Vidya,

No ,79.63 percentile is very low percentile.

according to Experts this year only cutoff of JEE main will be 85 percentile or above. 

there is no any Government college is available below the cutoff of JEE main.

You can get some private college for Engineering.

also you can reappear in upcoming JEE main Exam helding in April.

Forms are available at NTA official website.

if you want to predict a college at this percentile then you can use the given link-

          https://engineering.careers360.com/jee-main-college-predictor

hope you understand.

thank you.