Trisha, the field of Psychology could be pursued with different courses offered by various colleges and universities in India. The courses in the field of Psychology which you can pursue are:--

B.Sc in Psychology

BA Psychology

BA Psychology (Honours)

BA Applied Psychology

Diploma in Psychology

Diploma in Child Psychology

Master's in above 5 Disciplines

MA in Counseling Psychology

M.Phil. Psychology

PhD in psychology

M.Phil. Child Psychology

Advanced Diploma in Child Psychology

PG Certificate in Child Psychology

These courses differ according to the educational qualifications as some can be applied after Class 12 ie the Bachelor's Degrees while others require either graduation or Master's in order to be eligible.

Now, shifting over to the colleges, here is a list of few top colleges offering different courses in subject of Psychology :--

Fergusson college, Pune

Mount Carmel College, Bangalore

Symbiosis College of Arts and Commerce, Pune

PSG College of Arts and Science, Coimbatore

Presidency College, Chennai

DAV College, Chandigarh

IIPR, Bangalore

St. Xaviers College, Mumbai

Aryabhatta College, Delhi

Gargi College, Delhi

JSS Medical College, Mysore

Daulat Ram College, Delhi

Bharati College, Delhi