(17)(a)In case Serious Fraud Investigation Office has been investigating any offence under this Act, any other investigating agency, State Government, police authority, income-tax authorities having any information or documents in respect of such offence shall provide all such information or documents available with it to the Serious Fraud Investigation Office;(b)The Serious Fraud Investigation Office shall share any information or documents available with it, with any investigating agency, State Government, police authority or income-tax authorities, which may be relevant or useful for such investigating agency, State Government, police authority or income-tax authorities in respect of any offence or matter being investigated or examined by it under any other law.