The Indian commodities markets are well-integrated with the international commodities markets. Therefore any deviation in the local price of an international commodity from its international price throws open opportunities of profit which the investors can make use of. The following are the calculators for converting the international prices of some of the popular commodities into their Indian equivalents. Please refer to the disclaimer given inside the excel sheet and the general disclaimer of the site.
You can download the calculators (in easy-to-use excel format) from the following link
Parity Price Calculator
Right click on the link, select "Save Target As"