Yes, candidates with valid scores from approved national-level entrance exams such as CAT, CMAT, MAT, XAT, ATMA, or GMAT (as specified in the official notification) can participate in CAP under the All India category. However, they must register separately for CAP and upload valid scorecards. Maharashtra State candidates without MAH MBA CET score generally cannot claim state-level quota seats unless permitted under specific provisions in the official brochure.