Barely a fortnight after GST was implemented, some taxpayers have reported that GST portal is mixing up their data with others, a "mishap" for which the I-T department blamed tax practitioners for registering multiple entities simultaneously. The Mumbai division of CBEC in a circular said some cases have been brought to its notice wherein "taxpayers are complaining that when they are logging into their account using their login credentials, they are diverted to some other's account on GST portal and the data of another taxpayer is displayed in that account".

Source - http://economictimes.indiatimes.com