Gandhinagar: Congress MLA from Rajula Ambrish Der sat on a-day long protest in Gandhinagar against non-payment of crores of rupees of dues by Anil Ambani led Reliance Naval and Engineering Limited to 150 vendors and merchants in his Rajula constituency. Der and others also approached Chief Secretary JN Singh seeking his intervention. Der had earlier staged dharna at Pipavav where Reliance Defense facility is located. Der said if state government fails to bring solution, he will move his dharna agitation to Delhi.