Dear Student ,

As per the the Photo Uploading Rules in SSC CHSL/CGL  notification , you need to convert your photo in JPEG form (like JPG, PNG) as well as to mention the date in the photo .

Please check the application status of yours  in the website , if it shows accepted then no issue .. but it ,may happen that after provisional acceptance, form may reject .. to ensure this , application form correction will be open for a specific time . You can check more details about this exam from here :

https://competition.careers360.com/articles/ssc-exams

Hope this helps!