Forgot password should come on mobile number.

for sent passowrd as a msg you have use sms gateway. you have to buy that getway then you can able to do that.


for more details check this example

http://krishnasaralanet.blogspot.in/p/sending-sms-from-aspnet-application.html

http://naveenpn.wordpress.com/2009/09/27/sending-sms-from-asp-net-application/