14 July 2013
Just fill up all the return in appropriate form of that time and physically file the return after payment of due taxes with interest. You might get notice u/s 148 for regularisation of the return and then notice u/s 142(1) & 143(2) for assessment. This will help you in regularisation of your returns and at the same time if there is any search and seizure this income will not be taxed again or it will be deducted from the gross income assessed