As taxpayers face issues in accessing the e-filing portal, the Income Tax department on Saturday said software provider Infosys is taking “proactive measures” to deal with the ‘irregular traffic’ on the portal. “It has been noticed that taxpayers are facing issues in accessing ITD e-filing portal. As informed by @Infosys, they have observed some irregular traffic on the portal for which proactive measures are being taken,” the I-T department tweeted.