Hii Annika!

There is no such field as best and worst. It purely depends on your choice. If you feel like doing psychology after class 12th. Psychology indeed offers a promising career ahead. The admissions may be on the basis of merit list or entrance examination. It varies accordingly with different colleges. Some of the Colleges providing psychology course in delhi are -

* Delhi degree College

* Gargi college

* Lady Shree Ram College for women

* G D Goenka University

* Kamla Nehru College

* Indraprastha College for women

Etc., Hope this helps.

Good luck!