AIIMS Director Nikhil Tandon has called for transparent fee-setting in private medical colleges, saying charges should reflect actual education costs. He also flagged high fees, speciality preferences and language barriers behind vacant PG medical seats and faculty shortages at newer AIIMS. Ahmedabad: Postgraduate seats in medical courses such as MD and MS are highly coveted. However, this year, 48 seats in private medical colleges for courses ranging from radiology to gynaecology.