Devesh sells his car to Pranav at a profit of 20% who sells it to Hemraj at a loss of 20%. Hemraj, after finding some scratches in the car, returns it to Pranav, but Pranav deducted  th of the amount he got while giving the money back to Hemraj. Find Hemraj’s loss (in Rs.) in the transaction if Devesh bought the car for Rs. 3,50,000.