Kolkata has several respected defence academies that help students prepare effectively for the National Defence Academy exam. AIM Defence Academy leads the list with disciplined classroom learning, SSB interview guidance, physical training, and a focused study environment. GCSE is known for concept-based teaching, experienced instructors, and regular mock tests that strengthen exam sk... https://aimdefenceacademy.com/blogs/top-3-nda-coaching-in-kolkata-nda-coaching-in-kolkata-2025-26/