How does the NAAC grading system work in India?

The grading system of NAAC in India helps in evaluating the higher educational institutions based on several categories including curricular, teaching aspects, research, infrastructure, student support and institutional values. Institutions usually receive a CGPA (Cumulative Grade Point Average) on a 4-point scale, which determines their ranking. Grades range from A++ (3.51-4.00), A+ (3.26-3.50), A (3.01-3.25), B++ (2.76-3.00), B+ (2.51-2.75), B (2.01-2.50), C (1.51-2.00) and D (<=1.50, which is not accredited). The accreditation as issued by NAAC system is only valid for 5 years, ensuring transparency and quality assurance.