up board

75% or be in top 20 percentile of your board. Top 20 percentilers of different boards are given admission via the official website of JEE Advance.

Yes, because you have satisfied top 20 percentile cutoff marks of UP board.

You have to appear for JEE Mains to get a seat in Jamia for B.Tech and also, fill their form which will cost you Rs 500.

Hi,
Kindly predict your college in this college predictor. JEE Mains rank predictor is an online tool which predicts the candidate's rank range and probable colleges based on the difficulty level of the examination, average marks scored in JEE Main and seats available in IITs, NITs, GFTIs and other SFTIs. The rank predicted might not be accurate but it certainly does give an idea to the aspirant. Know your college admission chances based on your JEE Mains rank, home state, caste, gender, etc. here:
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor

Kindly predict your college in this college predictor. JEE Main rank predictor is an online tool which predicts the candidates rank range and probable colleges based on the difficulty level of the examination, average marks scored in JEE Main and seats available in IITs, NITs, GFTIs, and other SFTIs. The rank predicted might not be accurate but it certainly does give an idea to the aspirant. Know your college admission chances based on your JEE Main Rank, Home State, Caste, Gender, etc. Here https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor

Yes, you are eligible for this course. So, please apply for it.
Good luck