CGSOS 12th Class Blueprint 2024 CGSOS 12th Class 2024. Chhattisgarh State Open School (CGSOS) Regulates Chhattisgarh Master of Computer Application (CG MCA). Chhattisgarh State Open School will announce Blueprint CGSOS 12th Blueprint 2024 for CGSOS 12th Class in 2024. The CGSOS 12th Class Blueprint 2024 will help Candidates for further studies as 12th exams are the base for every requirement.