The Supreme Court has asked the Sahara Group to come clean by disclosing its sources from where it had raised 25,000 crore rupees and paid its investors in cash. A bench headed by Chief Justice T S Thakur Friday said that entire explanation of the episode was difficult to believe. It insisted repeatedly that the source of the cash should be revealed. <br/><br/>The bench also said the onus was on the business house to reveal the source of the money, whether it is accounted money or unaccounted money.The bench comprising Justices A R Dave and A K Sikri, will hear the matter on the issue again on 16th September.