WWF India hopeful as wild tiger population increases WWF India, while saluting the effort of India's recent census on tiger populations, says the biggest challenges to preservation are connectivity between nature reserves and poaching. The country's wild tiger population has increased in the last four years, according to the new census, raising hopes for the survival of the endangered species. IMAGES AND SOUNDBITES from Director of Species and Landscapes for WWF India, Dipankar Ghose