 Saprang was implicated in the resignation of Finance Minister Pridiyathorn Devakula on 28 February 2007 . The Bangkok Post reported that Pridiyathorn resigned in protest after a CNS member lobbied him to sell shares of IRPC ( formerly known as Thai Petrochemical Industry ) back to a former shareholder . The newspaper identified Saprang as the unnamed CNS member . Saprang 's brother , Chienchuang , was a key financial advisor to Prachai Liaophairat , the estranged founder of TPI . 
 Saprang was implicated in the resignation of Finance Minister Pridiyathorn Devakula on 28 February 2007 . The Bangkok Post reported that Pridiyathorn resigned in protest after a CNS member lobbied him to sell shares of IRPC ( formerly known as Thai Petrochemical Industry ) back to a former shareholder . The newspaper identified Saprang as the unnamed CNS member . Saprang <a href='null_genetive' title='1'><mark>'s</mark></a>brother , Chienchuang , was a key financial advisor to Prachai Liaophairat , the estranged founder of TPI . 
Saprang was implicated in da resignation of Finance Minister Pridiyathorn Devakula on 28 February 2007 . The Bangkok Post reported that Pridiyathorn resigned in protest after a CNS member lobbied em to sell shares of IRPC ( formerly known as Thai Petrochemical Industry ) back to a former shareholder . Tdanewspaper identified Saprang as thdannamed CNS member . Saprang  homeboy , Chienchuang , was a key financial advisor to Prachai Liaophairat , thedatranged founder of TPI .