How can i become an a Investment Banker I'm from science Field and I'm doing just MBA after my HSC and to become an investment banker what else degree will be needed

Hello Aryan!
In order to become an investment banker in India, the minimum requirement is a bachelor's degree. If you have a bachelor's degree i.e., graduation, you can get job as entry level analyst. However, master's degree will fetch you greater position and is preferred. Having done MBA you can easily apply for the job and have fair chances to get it. No other special degree requirements are there as such. Hope this helps.
All the best!