RCM exchange rate difference

nayab (Sr.Officer Accounts ) (250 Points)

16 February 2021  
Dear Team
i received import service RCM invoice on 30.09.20 based on that day exchange rate Rs.71/- i paid RCM to Govt .

but I booked that invoice in my books in 01.10.20
that time exchange rate is Rs.72/-.

Now can i pay RCM again that difference of exchange value ?

kindly suggest