Exam

Yes, definitely you can get IET Lucknow because you have a very decent rank. So, best of luck.

Yes, you can get IET, but try to sit in all rounds of counselling process specially in spot round to get IET otherwise there are strong chances for KNIT and BIET-Jhansi.

Try to use Shiksha's college predictor to know the best college according to your rank.
https://www.shiksha.com/b-tech/resources/upsee-college-predictor

Use Shiksha college predictor to know the best colleges according to your rank.
https://www.shiksha.com/b-tech/resources/upsee-college-predictor.

It's tough in IET but try to sit in all rounds of counselling, specially in spot round to get IET. Otherwise, you will have good chances of getting KNIT-Sultanpur.
I hope, it will help.

No, you can't get admission in NIFT 2019 batch but you can later apply for 2020 batch as NIFT 2019 eligibility criteria is that the candidate must have successfully completed or appearing for 10+2 qualifying examination or equivalent from any recognised board.

I don't think you can get admission in IIEST-Shibpur for B.Arch.

If you belong to BC category, then you have a chance of getting a seat in 3rd counselling.
All the best.

Yes, you have a chance of getting a seat in JNTUA. So, choose the option in the counselling. All the best.

The board will announce the counselling dates. In that respective date, you have to pay the counselling fee and after some days you have to exercise options according to the rank you get in the respective dates. After some days you will notify about the seat in which college you get admission. For more details, visit the website and follow the newspaper daily.
All the best.