Air-coolers, seasonal fruits, multivitamin doses and adequate water have been arranged for the animals in Ranchi's Bhagwan Birsa Biological Park, popularly known as Birsa zoo, in a bid to deal with soaring mercury in Jharkhand, an official said on Saturday. Most parts of Jharkhand are simmering around 40 degree Celsius. Daltonganj district recorded the state's highest at 42.4 degree Celsius on Friday, while Jamshedpur sizzled at 42 degree Celsius. Capital city Ranchi's maximum temperature registered 38.8 degree Celsius on Friday, 2.9 degree above the normal.