i think we will get refund as per current rates i.e., INR 55. One of my friend sent his fee and GIC when exchange rate was INR 56 and got refund when rate was INR 60, so he gained nearby extra 1 lac rupees.
wait for the passport to deliver bro. !! It happens sometimes when they sends you email later or may be stamped visa without email ... wait for tomrw ... all the best