Degree

This much year gap s not acceptable in any institute
https://www.shiksha.com/college/iim-calcutta-indian-institute-of-management-iimc-joka-Kolkata-20190/admission
For more details, you can follow the link.

Hi,
CA/ CS is not mandatory for CAT exam. Students from B.Tech, B.Sc etc. And all field give this exam. Scoring a good CAT and UG % is very important to get admission in good college. Go through the prospectus of the CAT for more information.

Here is a possibility of an improvement exam, but you need to go to Delhi university complex examination branch and ask there Take application form. It is in the north campus of DU.

You can study in foreign institute, you will have to prepare your SOP and clear language exams. Follow this link for more information
studyabroad. Shiksha. Com.

For becoming psychologist, you need to study psychology at graduation level instead of law and then seek specialisation in criminal psychology. There is one more way that touches this field. You will have to study extensively criminology. One field of this deals with criminal psychology.

Hi,
You can study in foreign institute, you will have to prepare your SOP and clear language exams. Follow this link for more information
to study abroad. Shiksha. Com.