Pages/StudentManagement/StudentAll.aspx : Mandatory field wise not working proper

Show Father name validation even when we entered a father name

Insatnce :http://localhost:2500/Pages/BaseFramework/Security/Login.aspx?OrgGroupId=1761

Username - Admin
Password -Admin

Servername : PC11-PC\SQLEXPRESS
Username : sa
Password : sa123456

Database Name : New2