A day after quitting as Chairman of UN's prestigious Intergovernmental Panel on Climate Change (IPCC), TERI Director General R K Pachauri has been admitted to a city-based hospital. Pachauri, 74, who faces allegations of sexual harassment, yesterday quit as Chairman of IPCC. TERI, which he heads in India, had also announced yesterday that he had proceeded on leave "for the time being" but disclosed no reasons for doing so.