JEE

If you are confident that you can qualify the exam next year, Then only you should go for that. Otherwise there are so many private and government college with provides quality education and placements too. So Do think over it. Hope this will help you. Thanks.

If you are getting good NIT then you should go for that. Dual degree is also good option but doing B.Tech from NIT is far better than that.

Your CRL rank should be under 3000.

Yes, that is a mandatory thing!

Check out the link below for details around JEE exam :
https://www.shiksha.com/b-tech/exams/jee-mains.

Hello, I hope you are doing well. You can check the list of colleges including NITs and IIITs that you can get according to your marks and rank here. Use Shiksha JEE college predictor:
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor?utm_source=connect&utm_medium=CR_JEECP&utm_campaign=7489993.

According to last year's cut-off, if you are a general category student then you can't as last year the last admitted rank was somewhere in 1300. But, you are SC/ST or OBC, then you can easily get it.

After appearing for NCHMCT All India Entrance Test, candidates need to first wait for results to be declared. Once NCHMCT JEE 2018 results are announced, candidates are allotted a rank and basis this rank they are called for NCHMCT JEE counselling. NCHMCT JEE counselling process has three rounds. The first two rounds of counselling are web based whereas the third round is called Spot Round wherein aspirants need to physically appear at the counselling centre allotted to them. For further details please refer
https://www.shiksha.com/hospitality-travel/hotel-hospitality-management/exams/nchmct-jee/counselling.

Yes you will get admission. Choose your college wisely and the branch you may get based upon previous stats. Then fill up your choices accordingly. Upvote if it helps.

Please specify your question clearly. But what I understand I will answer for that. If you are asking about the college admission through JEE Mains in engineering colleges. So, you will get admission in any engineering college with any marks but if you want government and good private colleges along with favourite branch. So, you need to work hard and need to get best rank. Otherwise, you will get below or average college of engineering.
All the best.