Dear Aspirant,

If you didn't get any mail or sms from nta for correction but the image you uploaded is showing only half of your face and hence is discrepancy.You can change your image. Try to take the proper scanned image and upload it. If you are not able to change kindly try with another device that will help you sometimes due to technical glitches these problems occurs. If the problem still continues try to contact the concerned authority about the problem.

Hope this helps.

Good Luck!