NEW DELHI: In a bid to clamp down on under-invoicing of alcohol, the government is discussing a plan to put in place valuation rules that will require importers to pay customs duty based on a price fixed by customs authorities, which will be the reference price.The move comes at a time when global giant Pernod Ricard is facing a tax demand of $244 million (around Rs 2,000 crore) for allegedly "under-invoicing" concentrate imports for several years. In the past, other players such as Diageo have been accused of...