Gujarat

Congratulations. You don't have to join now. Now just accept the seat and report to your the nearest reporting centre and choose the option from "Float" or "Slide" (as per your choice).
As you may get your higher preferred choice (which you have filled) in next coming rounds and if you don't get any

You can either apply through ACPC or JEE. It is your choice but keep in mind you can apply only through one of the two options given. Choose on which rank is better.

Well, Engineering is full time study course. You cannot do it through part time, because engineering is practical and theoretical both. So, it is necessary to be regular for that course on full time. You can do it as part time. And, as you have completed Diploma, you will get admission in 2nd year o

Under the other-state quota, candidates who are Indian citizens but not a native of Tamil Nadu can apply. Qualifying Exam and Marks: Candidates need to score a minimum of 50% aggregate marks in PCM taken together (40% in case of SC/ST candidates) in HSC or equivalent exam.

Check out the reviews of both the colleges for details:
https://www.shiksha.com/college/g-h-patel-college-of-engineering-and-technology-Gujarat-other-25256/reviews
https://www.shiksha.com/college/government-engineering-college-Rajkot-52600/reviews.

Hello Vanish,
As you are interested in IP Main University. Then, you have to score rank in around 100-200. Because, all vacant seats get full in 200 only. There are no seats left for even management quota. So, prepare best for the common entrance test CET. Do your best, all the best.

Hi Dhaval,
This college seems to be decent college. Academics and infrastructure are good here. But, the same varies from person to person. For more detailed information you can get in touch with the current students or the Alumni of this college.
Please find the link below:
https://www.shiksha.com/col

You can try for CEPT-Ahmedabad or MS University-Baroda.