i am 19 years old but by mistake my date of birth became 16 in 10th certificate,is there any chance that i take admission in mbbs college if i crack neet exam with good marks.

Sunny, first things first. If it shows you are 16 years in your 10th certificate, it should show you are 18 in your 12th. You appear for NEET either after completing your 12th or while you are in your 12th. So you can still appear for NEET. But if you are in 10th Standard right now and want to appear for NEET based on your age and not your educational qualification, even if you fill the application form, you will not get the admit card as you do not fulfil the eligiblity criteria. 10th certificate only is considered as a proof of date of birth.