First of all you are required to complete your 10+ 2 class level board examination from a recognised board such as Central Board of Secondary Education. You may be required to appear for an entrance examination for admission in BA Psychology. You are required to score at least 45% to 55% marks in the aggregate of 10+2 class level board examination for being eligible for BA Psychology. The name of popular entrance examinations are as follows:

1. NPAT
2. BHU UET
3. PUCET
4. TISS BAT
5. JNUEE
6. IPU CET

However, many colleges also provide admission to the BA psychology on the basis of merit scores of 10 + 2 class level board examination.

Read more about BA Psychology:

https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.careers360.com/courses/ba-in-psychology/amp&ved=2ahUKEwj6tZDE_LH2AhWdklYBHZ__BOMQFnoECBQQAQ&usg=AOvVaw1fvU5b2uKJovttuq6cTd5F

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Candidates should have studied class 12th or equivalent education from state/national education board in India.
Candidates from all streams i.e. Arts, Science or Commerce are eligible for admission to Psychology courses. (Undergraduate programes)
For more information visit the link given below
https://www.careers360.com/courses/psychology-course