Income tax log in issue

Bhavesh Khanvilkar (other) (676 Points)

03 March 2017  
Last year return was filed online,But this year when i tried log in .it is showing that user id does not exist.how is it possible.I have checked itr v receipt status with the same PAN ,it is showing received status.& agnain when i tried to register , its allowing me to register.How is it possible as last year return was filed with the same id.