Security questions

[AndyS12]

Some security questions should be asked to the user at the time of registration.

1. There will be set of questions among which user can choose to answer any two.
2. The answers for these questions will only be known by the registered user.
3. This will aid the user to reset the password using Forgot Password.

[Dipenbhatt03]

A resetting link should also be provided in case they do not remember the security question which sends a reset link to their email.