1)LAST DATE OF INCOME TAX E-FILING FOR F.Y 2011-2012 ---> 31/03/2013( WITHOUT PENALTY OF RS 5000/=) & AFTER WHICH UPTO 31/03/2014 WITH PENALTY OF RS 5000/=.
2) FOR F.Y 2012-2013 ---> LAST DATE 31/03/2014 ( WITHOUT PENALTY ), & 31/03/2015 ( WITH PENALTY OF RS 5000/= ). THANKING YOU, PALASH RAKSHIT.