If you have filled wrong SSC Hall Ticket Number in JEE Mains Application form, you will have no issues in getting the admit card, but you may face issues during counselling and college admission. Plus, it is unfortunate that JEE Mains Application Form Correction window will remain closed this year. Hence, you are suggested to contact NTA (JEE Mains section) via the contact details (as mentioned below) and get your issue resolved as soon as possible -

• Email - jeemain@nta.ac.in
• Phone -  011-69227700  (OR)  011-40759000

If you want to know more about JEE Mains 2022, you may visit the link - JEE Main 2022 Exam : Dates (Out), Registration (Started), Eligibility, Syllabus, Pattern (careers360.com)

Also, if you want to prepare for JEE Mains at affordable rates with quality features (like AI Learning, Personalized Timetables, Mock Tests, 24x7 Doubt Support, etc) , you may check out this link - https://learn.careers360.com/engineering/jee-main-preparation-material/