CBSE 12th

All private college gives admission in engineering on basis of class 12th marks, and all colleges has seat of JEE Mains students also. If you score good marks in class 12th, you can get admission in top private college.

Career options after class 12th is to go for entrance of JEE, if you choose PCM. And, go for NEET, if you choose PCB. But, some students has financial problem, so you can also choose Engineering. But, before apply for engineering, keep a mindset that you will need to work very hard.

Prepare for NEET, if you choose Biology in class 12th. Or, get admission in BUMS, MBBS BAMS B.Pharma etc.

There are over 44 Aviation colleges in Tamil Nadu Offering 162 Courses. Please refer to the link provided below for a detailed list of these colleges. You should be able to navigate to the top college on this list using the filters on the web page. Regards. https://www.shiksha.com/aviation/colleges/colleges-tamil-nadu.

As last date for the PU is May 30, CBSE will announce results between May 25 to 30 and I am sure by May 28 results will be announced and so you can fill your form for the same .
All the very best!!

From your question, you sounds from commerce stream, so I must say, you can do any simple degree like B.Com, BA, BCA or BA. Then, you can prepare for job, if you want to see yourself in government sector. Otherwise, you can have to look for internship in some company and get on private job. All the very best.

Please check for your eligibility to appear for the DU JAT from the criteria mentioned at the link provided below:
https://www.shiksha.com/university/university-of-Delhi/exams/du-jat.

The eligibility to pursue design:
One needs to pass 12th class with a minimum of 50% marks. The process of admission to design is through an entrance examination. This is known as Common Entrance Examination for Design UCEED it is conducted by IIT Mumbai every year. Reputed institutes conduct their own entrance exams. Top colleges are:
National Institute of Fashion Technology
Indian Institute of Art and Design Mumbai
National Institute of Design
Lovely professional University, Punjab
International School of Design
Indian Institute of Fashion Technology
LISAA School of Design
Pearl Academy
JD Institute of Fashion Technology.

Hi, Find below the link to Shiksha's the finest college predictor which will help you know about various colleges and streams that you may have a chance to fit in:
https://www.shiksha.com/b-tech/resources/jee-mains-college-predictor?utm_source=connect&utm_medium=CR_JEECP&utm_campaign=7489993
Wishing you all the best.