From PAN-Aadhaar linking to LTC Scheme, here are 9 financial deadlines expiring in March 2021 SECTIONS Share Synopsis March is the last month of the financial year. There are several deadlines that are expiring at the end of March. Here is the list of important money deadlines that must not be missed. Getty Images March 31, 2021, is the last date to avail the benefit of credit subsidy under the Pradhan Mantri Awas Yojana. There are several financial deadlines that will expire on March 31, 2021. Here is a list of all the money-related deadlines you should not miss. 1. March 31: Filing declaration to avoid double taxation