Why tigers are not reoccupying Kuno despite excellent ameliorated and productive habitat?

A question that quizzes the minds of senior and field officials of Wildlife Wing of Madhya Pradesh as well as those of the knowledgeable visitors to the Kuno Wildlife Sanctuary is to why tigers are mere occasional transients and are not establishing even as a small poulation to start with, given the high habitat productivity, the excellent availability of thermal and breeding shelters and the abundant prey base. July 2007