▁Pin ang , ▁R ia u ▁with ▁the ▁un pre ced ented ▁appro val ▁by ▁the ▁Dutch ▁administr ators . ▁Based ▁in ▁Tan j ung ▁Pin ang , ▁the ▁group ▁managed ▁to ▁gain ▁the ▁consent ▁of ▁the ▁Dutch ▁for ▁self - g overn ance ▁in ▁the ▁region ▁with ▁the ▁foundation ▁of ▁the ▁D ew an ▁Ri ouw ▁( D utch : ▁Ri ouw ▁Ra ad , ▁English : ▁Ri ouw ▁Council ). ▁The ▁Ri ouw ▁Ra ad ▁was ▁the ▁de vol ved ▁national ▁un ic amer al ▁legisl ature ▁of ▁R ia u , ▁a ▁position ▁equivalent ▁to ▁a ▁Parliament . ▁ ▁After ▁establish ing ▁itself ▁in ▁Tan j ung ▁Pin ang , ▁the ▁group ▁formed ▁a ▁new ▁organisation ▁known ▁as ▁Dj aw atan ▁Ko ew asa ▁P engo ero es ▁Rak j at ▁Ri ow ▁( The ▁Council ▁of ▁R ia u ▁People ▁Administration ), ▁with ▁the ▁members ▁ha iling ▁from ▁T ud ju h ▁Arch ip el ago , ▁Great ▁Kar im un , ▁L ing ga ▁and ▁Sing ke p . ▁This ▁group ▁strongly ▁advoc ated ▁the ▁rest oration ▁of ▁the ▁R ia u - L ing ga ▁Sultan ate ▁after ▁the ▁status ▁of ▁Indones ia ▁became ▁official . ▁The ▁leader ▁of ▁the ▁council , ▁R aja ▁Abd ul lah , ▁claimed ▁that ▁R ia u ▁Malays ▁were ▁neglect ed ▁at ▁the ▁exp ense ▁of ▁the ▁non - R ia u ▁Indones ians ▁who ▁domin ated ▁the ▁upper ▁ranks ▁of ▁the ▁R ia u ▁civil ▁administration . ▁By ▁rest oring