I had recieved my dataone bill a few days go and amazingly the bill didnt increase 600Rs I was very happy. Unfortunately today I got another bill which contains only the excess....Usage Charge Details__________________Phone No Plan No TotalMB FreeMB NetMB Amountxxxxxxx H500 1707 1024 683 1366so Rs1366 with Rs140 Service Tax sums upto Rs1506 (started this topic as I read some posts in which people claimed that the bsnl billing system is not working...so BeWaRe!)