gstr 3b verses gstr1

Sir, my total output liability is 8 lac and which is i am disclose in gstr1 form and filled but I have a short payment receipt from vendor's that why i can't pay whole gst liability in gstr3b of respective month so till now I am not filled 3b but I am already filled gstr 1 so you suggest me can I file 3b with short payment of tax means what are payment I maid his basic value show and filled 3b for relief of penalty. But I know gstr 1 and 3b are mismatch of liability so can if I file 3b now any department proceeding initiated me. I am paid tax in next month return or when I am received payment as much as early now it is not possible so please suggest me what can I do file 3b or not awaiting till all payment of tax not maid.