You can do BA Hons. in Psychology and then you can go for MBA. For MBA, You should have cleared any one entrance test (such as CAT/MAT/XAT/NMAT/CMAT/GMAT/

NEST ) accepted by various colleges and you should also have minimum of 45% to 55% in your bachelors(any stream) for admission in the same. Admission in MBA is done via two modes- either through an entrance exam or direct admission which is based on merit basis or management quota basis.
MBA Specialization, which are as follows:Oil and Gas Management 
Hospital and Healthcare Management, 
Supply Chain and Logistics, 
Tourism and Hospitality, 
Financial Markets, 
Finance, 
Marketing, 
Human Resources, 
Business ,Operations, 
Information Technology, 
Retail Management, 
Strategy, 
Entrepreneurship, 
Business Analytics, 
E-Commerce, 
Banking and Financial Services, 
Agri - Business Management.
Some good institutes are :IIMs
Xavier's Labour Relations Institute, Jamshedpur
Indian School of Business ,Hyderabad,
Lovely Professional University, Punjab
K.J. Somaiya Institute of Management Studies and Research Mumbai
Lal Bahadur Shastri Institute of Management Delhi
Management Development Institute (MDI), Gurgaon
Narsee Monjee Institute of Management Studies, Mumbai

If you want to go for psychology then public must go for clinical psychologist because pcb students can become psychiatrist too.
There are many scope in psychology. You see in today's generation everybody prefer to go to counselor for their general problems. Psychology students have great opportunities of job in all over the world. So if you want to take psychology as your career i can give you further information related to psychology.
I hope this will help you.
Good luck!

If you have already planned to do be an HR then you should do BBA and Then MBA HR. Top notch institutes : IIM-Indore, Shri Narsee Monjee College of Commerce and Economics, K. J Somaiya Mumbai, Lovely Professional University, Punjab, Delhi University, Christ University, Bangalore, M S Ramaiah University, Bangalore, Madras Christian College, Chennai, Mount Carmel College, Bangalore,Mumbai, Wilson College, Mumbai, Lala Lajpat Rai College of Communication & Economics, Mumbai.

For doing HR you can do any undergraduate course For becoming an HR you need to do MBA
For that you have to appear for any national level entrance exams to do MBA from a decent college like CAT,snap,xat,cmat etc
Hope it helps!