India

Admission is based on the marks obtained in 10+2.
Eligibility:
Candidate must have passed 10+2 from a recognized board. Interested candidates can apply online/ offline with required information. Regards.

See there is nothing called best coaching it is you who makes the difference join any coaching which is near to your home if you work hard and smart you will soon realize once your concepts are clear you just need practice to clear JEE with flying colors just note this you will have to put a great effort as there's a huge competition. All the best.

Hi Arijit,
In no particular order, here some of the best ones:
Don Bosco Senior Secondary School
Sarla Birla Gyan Jyoti
Delhi Public School
Gurukul Grammar Senior Secondary School
Miles Bronson Residential School
Army Public School
Faculty Higher Secondary School
among others.

Top colleges for robotics courses in India are mentioned at the link provided below. There are over 32 Robotics Engineering colleges in India. You should be able to navigate to a college of your choice using the filters on the web page. Regards. https://www.shiksha.com/engineering/colleges/robotics-engineering-colleges-india-2.

Anna University is a big university so first of all you need to study details of admission procedure because it has some admission rules.

It's already late. Last application cycle is going on. You can directly go to Woxsen's website and apply.

1) Jamia milia islamia, delhi
2) Aligarh Muslim University, Aligarh
3) Annamalai university, Tamil Nadu
4) Central University of Gujrat
5) Central University of Jharkhand Center of International Relations

Please check for your eligibility to pursue a course in BCA from the criteria mentioned below:
BCA Course: Eligibility:
Pass in 10+2 examination in any stream from a recognised board of education. English as a subject of study. A minimum aggregate score of 45% at 10+2 level. Some colleges prefer students from Science stream or those who have studied Mathematics and Computer Science at 10+2 level. Regards.