JEE Main

Hi,
For getting admission into CSE branch in top 5 NITs, you need to score very well for that, so any score more than 200 is considered safe for getting admission.

NCERT without any confusion is a good book preferred by toppers. Another one is if you want to go for objective books then MTG or TMH publication books are good options.
If you want to study some different book from NCERT then you can go for Arihant books.

Yes, you can expect but not all NIT's. You have a fair amount of chances, don't worry you will get admission in a good NIT.

I am sorry but you cannot get into any NIT/DTU with just 60 marks as you haven't cleared your JEE Mains exam.

You won't be able to get ECE in NSIT with this rank.

Delhi is flooded with good coaching centers. There are lots of options, you can choose any one of them, however, some of the best coaching centers in Delhi are:
1. Vidyamandir Classes
2. FIIT-JEE
3. Narayana IIT academy
4. Resonance

Hello Kunal,
As per your marks your chances are nil for getting admission in JECRC-Jaipur, however, you need around 100 marks in JEE Mains to get a good branch.

It is the perfect time to prepare for IIT. Generally, students join IIT coaching after 10th for 2-3 years beside 11 and 12 you can also do the same.
Keep in mind clearing the concepts of up to 10th standard will help you in your whole student life.
So, clear your concepts up to 10th besides preparing for 10th boards and then after 10 you can join any coaching center or self-study by devoting required time to prepare for entrance on daily basis if you are serious about clearing IIT- JEE.