hey,

i hope you are doing well

see admission in allahabad university for all the under graduate course are done on the basis of entrance examination , UG courses like B.A , B.Sc , BPA, BFA , BCA, B.Com (//B.Com) etc admission done on the basis of UGAT score  , B.tech admission is done through the score of UPSEE along with 10+2 score in PCM , diploma courses admissions are done on the basis of merit.

hope this helps

good luck!