In ER-5 Return, there is combined year format i.e. 2011-2012 or 2012-2013 i.e. two years shall have to write together. And my quary is that i am going to file online ER-5 Return falling due on 30.04.2012, then which year i should write whether 2011-2012 or 2012-2013. Please guide me.