CBSE 12th

You can opt Polytechnic on basis of 10th marks which is 3 years course.
And after that you can go for Lateral Entry in B tech.

That would depend entirely on the person interviewing you for a position in the company, or placement criteria in your college. Marks do matter and individuals with a good academic record are preferred over people having bad grades, however I doubt recruiters will go as back as your HSC marks. Try and improve your marks in B.Sc degree which you are currently studying to such a level which would impress recruiters, and try not to think about the past as much.

Hello Ishan,
Syllabus for 12th board, JEE Mains and JEE Advanced is almost same. What is different is the way questions are set. If you work on your concepts during board exam preparation, then your 75% preparation for JEE is over.

Dear Lakshita,
Since you don't have maths in class 12th so neither you can pursue B.Com Hons nor ECO Hons. However, you can go for BBA/BMS. Or if you want to change your field then you can do so for Law-LLB or BA LLB. Still you have plenty of options.

Dear Arjun,
Don't let others decide your career. It's your career and it will be made by your decisions. You do have really very good % in your class 12th. So depending upon your interest, capability and scope you can choose any of the courses below. Engineering - B.Tech, medical-MBBS, Management-BBA, Science-B.Sc, Computers-BCA, etc.

Hello Ritesh,
Normally, a student's whole future orientation is fixed by the subjects chosen for 12th. In your case it's commerce. Therefore I am afraid you will have to stick with commerce.
But I would like to point out to you that commerce, today has the highest probability of getting job or starting off as an entrepreneur.

Hello Jaineel,
MHT CET is going to be there after 12th in 2018 for the admission to colleges in Maharashtra.

Hello Vaishnavi,
I feel after the completion of 12th, you should complete B.Com or BBA and then some courses in personal finance or insurance. This should give you job without any problems.

Hello Mainak,
Presently in India, pilot, aircraft maintenance, personal finance, tourism and hotel are the industries or areas where there are enough job prospects.