Follow The Steps
1- First of all visit to BirthdayFb.Com
2- Now click on CONNECT WITH FACEBOOK.
3- after that this website will install an app
to your facebook profile. Just allow this app
to access your account
4- You are almost done, now this website
will show a list of your friends with upcoming
birthdays.
5- Now set custom birthday wish for each
friend and save it.
6- Now just wait for birthday of your
friend and see the magic.