The All Assam Students' Union (AASU) will stage a Statewide protest on May 3 in protest against the spurt in rhino poaching. Reiterating that a CBI probe be initiated to get to the roots of the rhino poaching, the AASU said that Forest Minister Rockybul Hussain had proved to be totally incompetent in checking rhino deaths and Chief Minister Tarun Gogoi was turning a blind eye to the developments.