ONLINE FOREX INDIA

Is there any method wherein online data available can be linked to excel sheet for calculations?
we are in forex field. the rates keep changing from min to min. but we operate from india and we require to know the indian value as and when the changes takes place. for instanace INDIAN RS is 45.96 the cross currency of USD VS GBP IS 1.823. THEN indian rupee value of GBP IS 45.96 X 1.823 = 83.785. AS THE VALUE OF GBP CHANGES, WE REQUIRE TO CALCULATE THE INR VALUE. THE WEB HTTP IS ONLINE WITH CHANGES EVERY SECOND OR SO. IS THERE ANY METHOD TO DO THIS. APPRECIATE YOUR HELP.REGARDS
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