Hello Aspirant,

Since you have not mentioned about the name of entrance examination or the place where you filled the wrong detail so it is little bit difficult to guide you accurately.

Generally for different exams there is correction facility provided by the competent authorities but in some exams it is not provided, so you have to directly contact the responsible authorities through mail or call details which you can access through their official website.

Foe better answer please help us out with the complete question ans we will be happy to assist you.

Good Luck!!