10 August 2015
TO DAY I TRIED TO UPLOAD ITR 4 AND 5 THROUGH MOZIL FOREX I COULD NOT DO THE SAME AS YEAR 2015-16 NOT FOUND IN UPLOADING LINK. HOWEVER IF I TRIED FORM 2A AND 2 YEAR 2015-16 APPEARS LET ME KNOW THE REASONS WHETHER BROWSER IS TO BE UPDATED
10 August 2015
I also faced this problem in Chrome. I tried in Chrome from a DIFFERENT laptop and was able to upload. The chrome version in the other laptop was NOT updated. It was an earlier version of chrome. Maybe the latest version is not yet compliant with income tax website.