31 March 2015
Yes. ITR1 of AY 2013-14 can be submitted u/s 139 (4) upto 31.03.2015. Since the return is being submitted after the end of the relevant Assessment Year a penalty if Rs 5000/- may be imposed by AO if the assessee was required to file return u/s 139 (1). Rs 5000/- is maximum penalty and may be imposed AO after giving assessee an reasonable opportunity of being heard.