Interest on late paymentsm of tax

Vani Sundaram (6 Points)

19 June 2020  
I have a RCM liabilitly pertaining to the month of October 2019 and I have received TDS credit f0r the month of April 2020. If I have to pay the RCM liability of October 2019, on 20June 2020, what will be the period for interest on late payment calculation?