Indian Railway Catering & Tourism Corporation [IRCTC] — Tatkal Ip blocking loading time

Address:

Indian Railway Catering and Tourism Corporation Ltd., B-148, 11th Floor, Statesman House, Barakhamba Road, New Delhi 110001.

I am a normal user trying to book tatkal but whenever booking opens after submiting the passenger detail and clicking on continue button it got stuck at loading even i need to cancek the page and relogin but after 10min of taking so mch time it get waitlisted irctc blocks my IP and user id i am a normal user it ONLY HAPPENS in TATKAL Opening time i am using AIRTEL my user id mokarramim