A day after Mumbai police attached the properties of National Spot Exchange Ltd's director Jignesh Shah, about 50 investors of the spot exchange met the Mumbai Crime Branch chief on Wednesday, who assured that attached assets would be liquidated at the earliest and proceedings will be distributed on pro-rata basis.The investors demanded stern action against board of directors and sought immediate arrest of former MD of spot commodity bourse MCX Shreekant Javalgekar, claiming that he was aware of all the happenings along with Shah.Joint Police Commissioner (Crime Branch) Himanshu Roy said, "As per the law Police will do everything to liquidate attached assets at the earliest and consider the option of distributing money on a pro-rata basis (to investors)."