Sometimes it might take maximum 2 days even after website gets updated it might not be of good use as top up list is very limited there & information might not be up to date for the period of Free Preview based on your pack.
My Airtel App will be better than website and other than that using SMS centre 54325 for getting info on packs,Adding Top ups will be even more better.
This link contains all top up details & sms formats and this is recently updated,
India's leading provider of Prepaid & Postpaid Mobile Services in India - Airtel.in
And give a missed call from RMN to 08130081300 to know about your account details.These type of other selfcare option will be even more handy.
