Itanagar, Nov 1 (PTI) The SUMP Affected Area Youth Association (SAAYA) has called for a shutdown in Siang, Upper Siang and East Siang districts of Arunachal Pradesh on November 2 to protest the. Itanagar, Nov 1: The SUMP Affected Area Youth Association (SAAYA) has called for a shutdown in Siang, Upper Siang and East Siang districts of Arunachal Pradesh on November 2 to protest the arrests.