late filing of gstr 3b

Saif Ali (Student) (132 Points)

11 August 2017  
whether it would be advisable to file gstr3b late, because tran 1 form is not available on portal and there will be huge gst payable due to non availability of credit for july month
whether we should file only when our credit is brought to gst?
upto how much time we can delay it?