As per the official brochure you are asked to have the date time and name on the photograph. SO its really important for you to upload the image in the given format else your application may get cancelled or you may be ask to change the details with in a stipulated time. So its better for you to do the prescribed way in the beginning so that you don't face any problem laterwards.

To know more about UGEAC visit the link below:

https://engineering.careers360.com/articles/bihar-ugeac

I hope this answer helps. All the very best for your future endeavors!