gst filing mistakes

MOHAMMAD SAGHIR ADIL (108 Points)

03 April 2019  
hello sir/madam,

i have filed and submitted 3b n 1 for period july2017 to march 2018.
i mistakenly didn't check Gstr2A, now i came to know that there are few mistakes in my filing.
now how do i correct my mistakes, only pending is my gstr9.
thankss.