Dear aspirant !

Hope.youbare doing great ! Yes it can be change only if correction window opens ,then there you can change a particular field including your class 10tj rollno so don't need not be panic ,it's just a silly mistake ,the correction window as usual open for a week ,have enough time to edit ,it's time to boost your preparation ,don't distract from small things ,, so if you want to prepare well for SSC you can refer our material also ,link is provided here.

https://www.google.com/url?sa=t&source=web&rct=j&url=https://competition.careers360.com/articles/ssc-cgl-syllabus/amp&ved=2ahUKEwjbkfn34tf1AhXyjeYKHeUxAa0QFnoECAkQAQ&usg=AOvVaw0zdqz51rSrgg-PIV2nIh9b .

Hope it helps you !!

Thanking you