Hello,

for ST category cutoff is 152 for class 6 and 260 for class 9. if he scored above the cutoff then he will be called for sure. Don't worry about that part. Keep checking for updates so that you don't miss any details or dates.

every process takes time and board have to consider lots of factors before starting any process.

For more details please visit the link below:-

https://school.careers360.com/articles/sainik-school-goalpara-result

Hope it helps!