Since the time Islamic finance has been in practice, the question of halal investment has been a big challenge for practitioners. It is not that Shariah compliant investment avenues are rare, just that companies having hundred percent halal investments are rare. Many companies, though having core businesses which are halal, are engaged in some sort of haram activities at least in the shape of earning interest income. Although in principle investments in such companies should not be allowed, Shariah scholars,....