You must have completed your 12th standard with minimum 50 per cent marks. Many colleges give admissions on the basis of merit list and some take entrance test. Having psychology in 12th is not mandatory. You can apply by filling out their application forms online.

Hello aspirant

hope you are doing well and safe. With reference to your query,  I would glad inform you that admission in most of colleges for bsc course in pyschology are done the entrances  conducted  by themselves only or through the marks scored in class 12th . Following is the link of various colleges for bsc in pyschology:-

https://university.careers360.com/colleges/list-of-psychology-universities-in-india

Hope you found this answer informative. Best wishes for your future