CBSE 12th

IT/Computer Diploma Courses After 12th
Animation & VFX. Web Designing & Development. Software Engineering. Digital Marketing. Graphic Designing. Mobile Application Development. CADD (Computer Aided Design & Drawing)
MS Office Certification programme.

Hello! Bapuna Moharaj, yes of course. Many students do not score well in 12th. This does not mean that they will not get placed. Placements normally depends upon student 's performance in graduation. Best wishes to you.

Yes, you are eligible for engineering as JEE Mains has removed the criteria of minimum 75%. Hence, you can apply in autonomous colleges irrespective of the percentile obtained in JEE Mains. You will be allotted the branch according to the marks obtained.

You can take admission for BCA after 12th, some of the universities take entrance exam and many take direct admissions. For entrance exam the main BCA Entrance subjects include English Mathematics, Analytical skills, Reasoning skills, General awareness skills, and Basic Computer knowledge.

https://www.shiksha.com/animation/colleges/colleges-Dehradun?rf=searchWidget
Go through the above link you will find many institutes which provide Animation Diploma in Dehradun.

No, you can't because the cut-off for Mains is 75 percent in 12th class. It doesn't matter how many marks in JEE marks you have, you should have 75 percent in 12th.

Go through the latest Sample Paper provided by CBSE for 2020-2021 Mathematics exam. Know the new pattern of Maths Board Examination.
Thanks.

Yes you can, Don't lose hope. But you have to perform well in entrance exam and GD/PI rounds.

Refer the following:
SSC CHSL
RBI assistant loco pilot
Indian Army
India navy
NDA
Railway clerck
GD constable
SSC MS
E.

You have to score 50% atleast.