Indian Railway Catering & Tourism Corporation [IRCTC] — login problem

Address:	560079
Website:	www.consumercomplaints.in

I'm new user but i can't able to login id, i know the user id and password but it's not signing in, i'm given the mobile number but the otp is not coming for giving number, and i have received the first time registration verification code by that number, but nw i can't able to use,
Mine mobile last number is 100 but it shows 166
[protected]@gmail.com, [protected]