CBSE 12th

Helo laksh , what you can do is go for b.com course from good institute beacuse after b.com u can go up in any stream in future it will open many doors for you try doing CS whith your b.com if you can manage both of them well enough then only otherwise mess up with both of them .
you also Try out any other course which comes under your area of intrerest .
If you want to go in fututre in any managment background you can do BBA which makes up base for MBA .
If you have interest and u are good at computer skills go for BCA
their are many options dear just find out which one will suite you . Good luck have bright future ahead .

From 2017 the pattern will be changed. The rankings in JEE will totally depend upon Your mains score, the percentage of Your board exams will not be counted

Depend what is your area of interest if your background was PCM you can try out many new things other than engineering. if not than engineering is the alltime option which you can go for .
if you belong to commerce stream then you can try out iim indore course 5 yrs dual program coursce which which would be something best which you can get :) trust me dont opt for CA, ICWA . I will say for CS atleast you can try out your luck . if u have so much if becoming CA then do it after becoming stable so that u have secure future . ALL THE BEST :)

Patrachar schools offer CBSE Patrachar, CBSE Correspondence and CBSE Private and you can opt for either of the three modes as per your convenience. Private CBSE is also considered under Patrachar so you cannot really differentiate. For details such as admission assistance, classes, teacher interaction please contact Patrachar Schools or Vidyalaya. You may refer to the website below
http://cbsepatrachar.com/classes.html

Hi Ankit, a number of Bachelor degree courses in paramedical sciences are available. You may refer to the options on Shiksha website
https://medicine.shiksha.com/paramedical-sciences-courses-in-india-categorypage-5-140-1-0-0-1-1-2-none-1-0?
Hope this helps.

You can pursue any Diploma course or opt for B.Sc.

Yes, you are eligible for pursuing engineering and you can get good colleges like Somaiya and SIES.