Hello Utkarsh,

Counselling for BCA in allahabad university will be done in the fourth week of july and the cutoff will be declared soon. Here are the important dates for admission in allahabad university - 

UGAT 2019 - May 27 to May 28, 2019

PGAT 2019 - May 21 to June 3, 2019

Allahabad University Counselling (B.Com) - June 19, June 20, June 21 and June 29, 2019

Counselling UGAT (BFA) - June 27, 2019

Counselling UGAT (BA) - June 23 to June 26, July 1 and July 2, 2019

Counselling UGAT (B.Sc Bio) - June 21, June 22 and June 28, 2019

Counselling UGAT (B.Sc Maths) - June 20, June 27 and June 29, 2019

Counselling UGAT (B. SC Home Science) - June 27, 2019

More - https://university.careers360.com/articles/allahabad-university-counselling

Hope this helps.