hello shiva,

yes,you can write gate exam in the final year(7 and 8 semesters).to know the eligibility criteriae and other details of gate exam,please refer this given link:

https://engineering.careers360.com/exams/gate

copy and paste it in the address bar of your browser.

I Hope this information will be useful to you.

if you need additional information,let us know to help you.

Thank you!!!:)