ISLAMABAD: The National Accountability Bureau (NAB) Rawalpindi has expended its scope of investigation in fake bank accounts scam with regard to Roshan Sindh Project and summoned ex-provincial minister Sindh and PPP leader Sharjeel Memon on December 11 (Wednesday). According to sources, Sharjeel Memon has been summoned in ongoing investigation in fake bank account scam with regard to Roshan Sindh Project and was accused of awarding illegal contracts for distribution of solar lights.