Repayment of loan by lender selling goods of borrower 6213687681

Rashed used to get Rs. 2600 / - from his sister. But the sister refuses to pay. So Rashed sold 8 out of 24 shares of his sister in charge and recovered Tk. 2700 / -. He keeps the rest of the money to himself. When the sister came to know about the matter, she demanded that all the money should be returned according to the current price of those seven shares, leaving Rs. 2700 / -. Note that when the shares were sold, the price of each share was Rs. 4200 / -. At present its price is Rs.600 / -. Now will Rashed be obliged to return all the money according to the current price or will he be acquitted if he pays the remaining money? 5629798497