Annual return query

mit bhalodiya (52 Points)

29 September 2019  
in annual return GSTR 9 of 2017-18 ( GSTR 9C is not applicable), I reported that i have claimed itc of IGST 12,000/- in f.y.2018-19.but actually I have claimed igst Itc of 8700/- in f. y. 2018-19.
then what can i do?

1. can i claim igst itc of 3300 in f.y.2019-20.?
2. or advice me.