This document outlines regulations for a Choice Based Credit Semester System (CCSS) for undergraduate programs at the University of Calicut. It defines key terms related to the credit system and describes the structure of undergraduate degree programs. Programs will include common courses, core courses in the student's major subject, complementary courses related to the core, and open elective courses. Courses are assigned credits and letter grades. A student's semester grade point average (SGPA) and cumulative grade point average (CGPA) are calculated based on credits and grades to determine overall performance.