Please contact with that particular school helpline number, it may be a mistake.

Hello,

Please visit the below link to check the results. The results are out.

https://www.google.com/url?sa=t&source=web&rct=j&url=https://www.sainikschooladmission.in/&ved=2ahUKEwiIyNWwltjnAhU-wzgGHcc2CwQQFjACegQIAhAB&usg=AOvVaw1A9J3-YtIcTu470utY_m8l

Download the merit list. And see whether roll number exists are not. Hope this is useful