Following is the category wise cutoff through AIAPGET to secure a seat in SAC, Lucknow:
General and EWS- 50th percentile

SC/ST/OBC- 40th percentile

General and EWS - PH- 45th percentile

SC/ST/OBC- PH- 40th percentile

The cutoff change every year according to a lot many factors and this year they may change significantly due to the ongoing situation. Yet they will give you a rough idea.
Good luck!