New Delhi - The amendments in the customs rules to tighten checks on goods imported under free trade agreements (FTAs) could make it harder for businesses to do imports at concessional duties and may increase compliance cost, economic think tank GTRI said on Sunday. However, it said the move would curb the misuse of FTAs as India has seen repeated instances where goods originating from non-FTA countries, such as China, were rerouted through FTA member countries like Vietnam or Singapore to exploit preferential duty benefits.On March . . .