please help for gstr 3B return filed wrongly

Ankit Gupta (13 Points)

20 August 2018  
hii frnds, hamne purchase bill me show (IGST rs. 1070) ki ITC ko GSTR 3B me IGST ke jagah ( SGST = 535 and CGST = 535 ) le liya hai.
for July 2018 return
please suggest for rectification.