Cognizant — Unable to login to onecognizant portal post-registration

Address:

chennai

I bought a new phone and didn't back it up or save any details. I tried to login the onecognizant portal in my PC and sent a notification to microsoft authenticator app which is installed in my mobile .But I didn't receive any notification to my authenticator app to enter my code. There is only options to use the Authenticator app. Please help me to login the onecognizant portal ASAP.