Questioning the fate of the 500 crore rupees fund that the West Bengal government has raised to provide relief to small and medium depositors of the Saradha chit fund scheme, Left Front Chairman Mr. Biman Bose, today demanded the state to publish a white paper on the fund. Mr. Bose, also a Politburo member, of the CPI(M), asked the CBI to pace up the investigation into the Saradha scam. Mr. Bose said the CBI should speed up its investigation in the Saradha scam.