UPCAT

Rs 20,000 is not refundable, if you don't freeze or float.

Yes,
You may get Civil engineering in KIET, but it is possible you didn't get Civil Engineering in first or second rounds of counselling. If you are sure about your college and course, try till the last rounds of counselling. You can pursue Civil Engineering only, try till last rounds of counselling.

For civil engineering, you may consider ABES, AKG, KIET,GL Bajaj and JSS. In first & second rounds of counselling, it is possible that you may not get these colleges but in third counselling, you will definitely get civil engineering in any of these colleges.

Yes, you can get computer science engineering in KIET. Your rank and percentage is excellent but there is a possibility that you don't get CS in first and second counselling results. Try till the last rounds of counselling. All the best.

You have good chance of getting BIET, Jhansi. But one thing I will suggest you to go for every you round of counselling.

Your rank is really low. Try in NIET, RKGIT Ghaziabad, Sri Ram Murti College-Bareilly. But, go for every round of counseling.

If you don't pay fees, then you will be out from counselling. No, you can't register again.

You can predict your college here-
https://googleweblight.com/i?u=https://www.shiksha.com/b-tech/resources/upsee-college-predictor&hl=en-IN

For the list of probable colleges you can get, check the predictor below:
https://www.shiksha.com/upsee-college-predictor.