The Reserve Bank of India has issued instructions vide RBI/2014-15/515 dated March 25, 2015 wherein it has been decided that all agency banks shall keep the counters of their designated branches conducting government business open for full day on March 30, 2015, and till 8.00 p.m. on March 31, 2015. All electronic transactions would, however, continue till midnight of March 31, 2015.
Thus the assesses can make e payment till the mid night of March 31, 2015.