JEE

For GFIT admission, candidates should aim for 150-180 marks which can get them a percentile of 90-95 and 40,000-60,000 rank in JEE Mains. This rank can open the doors for top GFTIs like School of Planning & Architecture, New Delhi, Assam University, etc. It may not be possible with this rank. To check for the college in which the candidate is eligible, the candidates are advised to visit: JEE Main Rank Predictor 2024: Calculate JEE Rank From Percentile/Score

Yes, candidates who have JEE Main score is eligible for BTech course admission at UPES School of Engineering. The admission is entrance-based. UPES School of Advance Engineering offers a full-time BE/BTech programme that lasts four years. To be admitted to this course, eligible candidates must have a valid score in the JEE Main exam.

The marks you have scored in your JEE examination is a quite decent one and as you are looking for the colleges in Uttar Pradesh, I would recommend you to get your rank by following link :

https://www.shiksha.com/college-predictor 

You can get admission in any renown private college or colleges such as Invertis University in Bareilly, Mangalmay group of institutions in greater noida, ABES engineering college in Ghaziabad. 

With your rank, to get computer Science engineering in any college in Delhi is very tough. Top engineering colleges in Delhi will have cutoffs much higher than your rank for the CSE branch. Admission to these institutions with such rank is generally not possible.
You can go for some private colleges. 

You can get admission in any government college through UPTAC counseling as per data of opening-closing rank on the website I can check that you can get top government AKTU colleges like  Kamla Nehru Institute of Technical Sultanpur, Bundelkhand Institute of Engineering and Technical College Jhansi, all Rajkiya Engineering colleges like Banda Pratapgadh, Mirjapur Bijnor and many more.

If you want to take only Lucknow University yes also you can get the desired branch at Lucknow University at this rank.

Yes, definitely you can easily get a seat at Amrita School of Engineering Bengaluru in CSE as your marks are better than the criteria. Amrita School of Engineering Bengaluru application forms are available on the official website of the university. Eligible candidates can fill out the application forms online.

It is true that some colleges and universities accept applications from home state quota students as well as members of other backward classes (OBCs). A youngster who received a 98.99 percentile score in the JEE Mains 2024 exam is one such instance. With an OBC NCL certificate from Patna, he is a Delhi student doing his 12th year of schooling.
Finding out if a particular institute accepts both quotas requires looking through their admissions policies. For this reason, use the official phone number or email address listed on the official page to get in direct contact with the institute you want to enroll in.