DHL Express India — Heavy custom duty on my goods

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DHL express india

My name is Kirpal Singh. My awb number is
[protected]. My son Gurnam singh sent a parcel worth of 300 euro. But today dhl customer executive information me that we have to pay 21, 266 rupees as a custom on my goods. How a customer can pay custom on goods which is more than its price value. Kindly resolve our problem.