Originally Posted by
stut
FWIW, I've never had a problem accessing these networks with a UK mobile number. I understand that there's some Indian law that dictates that the identity of public wireless network users has to be verified (although I don't know how the lounges get round this).
Lounges have much more information than just the mobile phone numbers. They will write your names to the id and password they give you. Thats enough to identify.