Hi Ganesh Aravind !

Yeah ! There is a way to know your password or reset it . Actually you must had given your e-mail ID or your phone number while registring for the examination . You will get a link in your email or number after clicking on FORGOT password option while opening your account on that portal .

Hey ganesh, Greetings!!

There is no need to worry about it . You can reset your password with the help of  link given below

You just need to submit your username or your email address. If they find you in there database, they will send an email on your email address , with the instruction how to get access again.  

https://nalanda.bits-pilani.ac.in/login/forgot_password.php

Hope this will help you 

ALL THE BEST!!