See if you have just provided wrong time period of your 10th but if the marksheet you have uploaded is correct, then it will not create much of a problem. So don't worry your form will not get cancelled/rejected. In the time of offline verification, you may be asked the question regarding the mistake and you can honestly reply to the officials, and there will be no problem. Don't worry about this!.

To know more about SGPGIMS Lucknow visit the link below:

https://www.careers360.com/university/sanjay-gandhi-postgraduate-institute-of-medical-sciences-lucknow

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