Custom duty on memory card

Hi, i am importing memory card from china without complete packeging material, i will pack it here under my brand name. I want to know for custom , how much applied on this . total worth including shipment for 200 piece is 23121.70 rs including shipment cost. Manufacturer told me that this is final amount and you donot need to pay anything extra , product will be at your doorstep by dhl courier. I have applied for exim licence 2 days before.