Hello Kartikey,
Since this year's cutoff has not been declared yet, according to previous years cutoffs and trends, with 136 marks scored, you have a good chance in getting B.Sc Maths in the University of Allahabad, Allahabad campus. However, you might not get it in the first round itself, you can get it by the second and third rounds.
More - https://university.careers360.com/articles/allahabad-university-cut-off
Hope this information helps.
Regular exam updates, QnA, Predictors, College Applications & E-books now on your Mobile