Human Resources

A lot would depend on the area of HRM that you are keen on specialising.
You have multiple certificate courses available in talent acquisition, psychometric testing, training, OD, payroll, statutory compliance, etc.

Yes you can do HR jobs in private industry. Labour and social welfare is also a part of HR. You can also go for some certificate course in HR to get good options.

For PGDM or MBA it is necessary to have Graduation Degree and also you need to give aptitude exam for entrance. if you have done diploma only then it is not possible yet to go in PGDM .

Kindly Share your details with us, our counselors will get in touch with you soon. For further details, visit our website https://www.google.com/url?q=https://www.isbmuniversity.edu.in/masters-in-business-administration-mba.php&sa=D&sntz=1&usg=AFQjCNFtA_inLiZatLE8TeObthHMwVR1og.

You can definitely try next year. All the best for your graduation. Try to start the process next year by February 2018 because at BIBS placements starts early. So do come down to campus and speak with the placement cell a bit early.

Marketing and HR.
Like you mentioned, you are just a beginner, so first skill for any stream you should develop is communication skills, later negotiation skill also play an important role in HR and marketing.
For finance, you should have grasp over your concept and calculations.
I would suggest, go for marketing in Amity Business School.

First of all, to do MBA give CAT or other management entrance exam.
Specifically for HR, there are various good colleges you can apply on the basis of your score - XLRI, TISS, XIMB, MHRM IIT KGP, XISS, IMI.

This link will assist you with the right institute for the right course.
https://www.google.co.in/url?sa=t&source=web&rct=j&url=http://www.studyguideindia.com/Colleges/Distance-Education/default.asp?Course=M-Phil-Colleges&state=KL&ved=0ahUKEwjQgOXAyKfWAhWGp48KHRAhBUcQFggoMAA&usg=AFQjCNF7IJtykX3g9wKi2KiGdLSjUMACrw

You should take up short term online courses, since it will help you gain specific knowledge in domains. Modules like recruitment/hiring/on-boarding; People Analytics.
Modules in psychology will help you in long run, since you will be dealing with people. People are the most important and critical part of any organization.