Hey Gauresh

If you will successfully qualify the written test with minimum cut off marks will move to the SSB interview round. You will be provided the interview dates and selection venue.

The interview will be carried out in two rounds which will comprise of Officer Intelligence Rating (OIR) and Picture perception & Description Test (PP & DT) in first round. Psychology tests, Group Testing Officer Tasks, Interview and Conference round will be carried out in second round. During the interview, you must submit their original certificates of their educational qualification and age.

NDA 2019 Cut off will be the minimum qualifying marks required for the candidates to qualify the written as well as SSB interview round for selection in NDA.  The cut off marks will be decided by the authority of UPSC for both the rounds.

So you need to do well for both the rounds.