1 PR/PO PO, DIP and Payment, Finance Raising PR, release of PO and maintaining balance amount Start of all activity with PO and minimum three months PO value/ expiry date in all POs.PO, DIP and Payment, Finance Invoices in DIP not to be delayed(for want of PO) , rejected, send back for short coming of data to ensure all the invoices to reach DIP and the same need to be cleared from Admin end . Previous month invoice ( for example Mar month invoice to be