Hello,
It would be difficult to predict the marks required as the cutoff vary every year depending on various factors. Also, cutoff vary institute wise. However, for AIIMS MBBS 2018 last rank for SC category was 1081.
You can go thrpugh the link below to check-

 https://medicine.careers360.com/articles/aiims-mbbs-cut-off

Good Luck!

p { margin-bottom: 0.25cm; direction: ltr; color: rgb(0, 0, 0); line-height: 120%; }p.western { font-family: "Liberation Serif", "Times New Roman", serif; font-size: 12pt; }p.cjk { font-family: "Noto Sans CJK SC Regular"; font-size: 12pt; }p.ctl { font-family: "FreeSans"; font-size: 12pt; }a:link { }