UPSC Admit Card/ Call Letter 2017 – NDA & NA Exam (II) 2017 Call Letter: Union Public Service Commission (UPSC) recently issued a call letter to participate in the National Defense Academy (NDA) and Naval Academy (NA) Examination (II), 2017. Examinations will be conducted on 10-09-2017. Candidates who applied for this exam can download their Call letter at the following link...