JEE

To get into top government engineering colleges through JEE Main, aim for a strong score and good percentile, with some of the top choices including :

Indian Institutes of Technology (IITs):

• IIT Bombay 
• IIT Delhi 
• IIT Kanpur 
• IIT Kharagpur 
• IIT Madras 
• IIT Roorkee 
• IIT Guwahati 
• IIT Hyderabad 

National Institutes of Technology (NITs):

• NIT Trichy 
• NIT Rourkela 
• NIT Surathkal 
• NIT Warangal 

No, JEE Mains is not compulsory to get admissions into BTech courses at Quantum University. JEE Mains scores can be considered as one of the requirements to get admission into BTech courses. However, the university accepts the valid scores in Q-CARE and state-level entrance examinations, such as UKSEE. Therefore, a candidate can get admission to BTech with a JEE Mains score, but it is not a compulsion. 

There's a chance to get a seat in government college.

Because of the SC category which you lie in. So try and try until you get selected. All the best for your exams

First of all you must be very punctual, disciplined and self motivated student to prepare for JEE. You have much time now to prepare for JEE as you are now in class 11. So make a well structured plan and time table to study well without wasting time. Make sure your concepts of every topic are clear. 

Try to score above 97 or above in JEE Main BArch to secure admission at good colleges. But first of all you should have minimum of 75% in boards.

Sorry to say that you can't get any college for B.Arch. course through JEE Main with a percentage of 64% in boards. You should have minimum of 75% in boards to be eligible as per NTA JEE Main rules and guidelines.

Sorry to say that you should have minimum of 75% or be among top 20 percentile student (Check your board's cutoff marks for being among top 20 percentile) in board exam to be eligible to get admission in B.Arch course at any central college through JEE Main. It doesn't matter if you score 99 Or 99.9999 percentile. First you have to pass the eligibility criteria.