As we all know, "nothing worth having, comes easy" so, we at SDA have taken an initiative for the students who are pursing their 11th or 12th class in order for them to prepare for NDA examination dedicatedly we have a 2 years course i.e.

All defence entries as an officer require mathematics as a subject to be taken up (except OTA entry of CDSE). Thus, automatically making it a very important subject in order to raise the merit of the candidate as well. Thus, its very important to focus & prepare on the mathematics subject if one wants to join defence as an officer.