Hey Praveen

UPSC conducts NDA exam twice in a year.The application form for 1st exam  will be released in January and form of 2nd exam will be released in September .Candidate interested for the 1st exam can register for the exam from January 8  2020 to January 28 2020.And exam will be conducted on April 19 2020.

Hope This Helps

Best Wishes For You

• Nda examination is conducted twice a year. The NDA l Application form will be released on 8th January 2020 and for NDA II in 10th June 2020.
• The application fee  for nda is Rs 100. But if you belong to ST/SC/NCOs/Ors/Sons of JCOs then you are exempted to pay the application fee .
• The Application form filling process includes two parts . In the Part 1 of application process, you will have to fill your basic and other important details in the form. While in the Part 2 of application process, you will have to select your exam center, upload your photograph and signature , pay the application fee and confirm the declaration and take few printouts.