Open the official SSC website and go to the Result section.
Download the SSC GD Constable cut off PDF for your stage — written exam, PET/PST or final.
Cut offs are listed separately for UR, OBC, SC, ST and EWS categories, and for male and female candidates.
Compare your normalised marks against the cut off for your category and state.
Always use the official SSC website — cut offs on other sites are often outdated or wrong.