ITC Claimed Excess in Large

Dear sir/Madam,
I have filed my GSTR3b for the month of April 2019 on 20th may, 2019. While filing, ITC of Rs.16450.40 by mistake it entered as RS 1645040. Now how can I reverse the ITC entered wrongly. In no way i can get this much ITC. Tax liability is Rs.14560.00 and paid the same through ITC. ITC mentioned above is not availed.