Students of Guwahati University under the banner of All Assam Students Union (AASU) put slipper garland on the effigy of State Forest minister Rockybull Hussain as protest against the killing of rhinos in Kaziranga national park in Guwahati on Thursday 27th September 2012.In last one week three one honed rhinos is killed by the poachers at KNP. Photo by Dasarath Deka/Indian Photo Agency