Harmanjeet,
>>
Can you share in what circumstances we need to create more than one client???
One app == one client entries in Gluu Server.
>> This issue happens when two or more user hit login at same time
Hit 'Login' from RP?
>> for redirecting user back to same page i update client redirect Uris
I never heard anything like this before truly speaking.
You are not suppose to modify Redirect_URI which you already registered from certain RP.