@salik990 i didnot find any exact amount of duty on 3500cc Mark X but according to my experience around 35-37lacks would be the duty on 2009 MarkX 3500cc.
Below is the estimated cost of the 2009 Markx 3500cc (DBA-GRX133)




BELOW IS ESTIMATE OF GRX-133 sold in 20,00,000jp yen
a.Auction Price: 20,00,000jp yen x 1.24=Rs 24,80,000/-
b. C&F Karachi: 2,00,000jp yen x 1.24=Rs 2,48,000/-
c. Book charges: Rs 20,000/-
d. Custom duty on 3500cc GRX133 : approx 35-37,00,000/-
e. Excise: Rs 20-30,000/-
f. Warehouse charges: Rs 15,000/-
g. Delivery order charges: Rs 15,000/-
h. Custom stamp challan: Rs 500/-
i. Clearing and other charges: Rs 30-40,000/-
TOTAL ESTIMATE OF GRX133 SOLD IN 20,00,000jp yen: Rs 65,48,500/-