Yes, counselling is required for admission to BSc courses at PSG College of Arts and Science (PSGCAS), Coimbatore through the Tamil Nadu government’s online admission process (TNGASA).
Cutoff varies by course:
For top courses like BSc Computer Science / Psychology / Biotechnology, the cutoff is usually above 90%.
For other science streams, cutoff ranges between 75–85%.
Admission is purely merit-based, so higher your 12th marks, better your chances.
Hope you understand.