JEE Advanced

First of all, congrats on your success. As per your marks, the possibility for you to get ECE is around 10-15% and still, you can get admission in IIT-Gandhinagar.
So, all the best for your future.

According to these marks, you cannot get any IIT. You can try for NIT colleges. You will find good NITs or any other private engineering colleges, and colleges which are also providing best placements and quality education. Best of luck.
Thank You.

Yes, the CS branch is obviously good and most demanded overall. Talking about the college, private colleges are also good.
They really try to provide good placements and job offers for the students and definitely they give placements to them. Join a private engineering college and start to do smart w

1. Physics: Resnick and Halliday, I. E Irodov, selected question of HC Verma and if possible SS Krotov for problems, SL Arora and HC Verma for concepts.
2. Chemistry: M. S Chauhan for organic chemistry problems, JD Lee for inorganic concepts, IL Phenar for Organic concepts, N Awasthi and RC Mukherje

Yes, this is a good score in advance. You can find the best college according to your marks and rank here-
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor
Best of luck.
Thanks.

JEE Advanced is conducted mainly for the IITs to admit students. But there are a handful of other National Institute that consider JEE Advanced marks too. They are
1. Indian Institute of Science (IISc), Bangalore
2. Indian Institute of Petroleum and Energy (IIPE), Visakhapatnam
3. Indian Institutes of

This is a good score in JEE advance. There are full chances of getting a good IIT. But from my side, I would tell you to give your first preference to your field of interest. Don't just blindly go for top IIT. All the IITs are good. It depends on you how you perform. All the best.

108 -113 may be the cut-off.

No, only NCERT books are not sufficient. You need to study much and more book than that. Some of standard book you need to study and solve them. More the practice, more you will be able to answer in the exam. Search for best books for JEE Advanced study.
Best of luck for future.