for GST separate account is maintained & it does not go through profit&loss acc
in the month of march some liab exist and it is not paid whether gst payable amount should be added while doing computation of income i.e.disallowance under sec43B
In income tax, inclusive method of accounting is followed i.e., for ex: we will include GST in the sale and purchase transactions. So as per 43B, GST liability of march should be cleared before the due date of ROI.