Sainik School Coaching in Mandi – Young Star Defence Academy Are you looking for the Best Sainik School coaching in Mandi? Your search ends here. Young Star Defence Academy is Mandi's most trusted name for preparing students to crack the prestigious Sainik School entrance examination with confidence and excellence. Why Sainik School Coaching Matters Getting admitted to a Sainik School is one of the most competitive academic achievements a student can aim for. The All India Sainik Schools Entrance Exam (AISSEE) demands rigorous preparation in Mathematics, General Knowledge, English, and Intelligence. Without expert guidance, even talented students can fall short.