Two Different Photos Are Required
NEET is unusual in requiring two separate photo sizes.
Unlike most applications that need just one photo, NEET requires both a 3.5cm x 4.5cm 'passport size' photo and a separate 4-inch x 6-inch 'postcard size' photo. This tool prepares the passport-size photo — you'll need to prepare the postcard-size version separately, following the same background and appearance rules but at the larger 4x6 inch dimensions.
Many candidates only prepare one size and have their application flagged for missing the other, so double-check the current year's information bulletin for both requirements.