guwahati cbi branch tuesday bust house nur mohammad former managing director assam industrial infrastructure development corporation aiidc hajo kamrup district mohammad suspected involved alleged goldbrick conceive endure gas constant crore diversion subsidised ember meant small units assam open food market however investigating agency time writing recovered anything raid september acting case cbi spy raided residency mohammad coal monger naveen singhal alias naveen gupta survey area city singhal office mahalaxmi continental throttle beltola field likewise raided cbi time cbi claimed recover rs lakh papers related banks accounts land documents nur mahomet residence delegacy order seized bank investment documents evaluate rs crore cbi also find rs cash savings bank papers incriminating document singhal residence part investigation case aiidc procure coal subsidized rates distribute small units brick kilns tea gardens assam withal parcel out coal nur mohammad one key suspect case charge aiidc scam took site said hiren nath grok cbi guwahati cbi sources said coal dish out north eastern coalfields set aiidc subsidize shit diverted mainly punjab instead supplied small units meant investigations revealed aiidc allotted coals eight fake firms preliminary investigation revealed section coal bharat aiidc officials misused official lieu conjure private parties illegally divert subsidise char said functionary added period normal rate coal rs per tone cement company procured north orient coalfields rate gas constant per tone mohammad unsuccessfully contested concluding assembly elections hajo constituency independent candidate congress disapprove request party ticket