Wealth Management

You can apply on probationary basis. The PG Diploma will be withheld until you submit all your graduation documents.

CMA is a pretty good option, an international certification sought after by employers globally and has a wide demand in India as well. It is offered by the Institute of Management Accountants (IMA) USA and the content is regularly reviewed by the Institute of Certified Management Accountants (ICMA). However, you can pursue CMA only after your Bachelor's degree preferably B.Com, BBA and BMS.

Investment banking is a very niche field in the area of finance.
Initially, I would suggest you to get a clear concept handling of finance through any of the graduation course. To be an investment banker, you need good analytical, logical and strong mathematical background.

You can check the below mentioned link:
https://goo.gl/Y4sm77

NISM is a good and recognised institute. Definitely, you can pursue CFP from NISM. For more details and procedures, kindly visit the website of NISM and https://Shiksha.Com/Colleges/NISM.

There is no need to pursue any other course to become a wealth manager in any company. MBA is sufficient to know the financial markets. However, you can opt either of any courses, if required
1. Courses offered by NSE/BSE or NISM
2. CFA or CFP.