Itr v not received in bangelore.

Return can be filed upto 31st March of Assessment year and it attracts penalty u/s 234A only if any tax is payable on due date and penalty u/s 234C for late payment of advance tax (if applicable) and penalty u/s 234B if Advance tax is payable in Assessment Year also.

under Section 139(5) belated return  never can be revised return and maximum belated return can filed maximum before end of the relevant end of the previous year assessment year incase if return under section 139(1) or within the time allowed under section 142(1) could not furnished.

under section 139(4) revised return can be fillied before end of the assessment year or before end of the assessment year whichever is ealier

Revised return can be fillied only incase if  ommossion or wrong statment find. return fillied under section 139(5) cannot be revised