BENGALURU: The Karnataka High Court on Friday directed the authorities not to proceed with the work of proposed National Highway-275 widening project affecting the Ranganathittu Bird and Arabithittu Wildlife Sanctuaries in Srirangapatna of Mandya district. A division bench of Chief Justice Abhay Shreeniwas Oka and Justice S Vishwajith Shetty passed the order after hearing the public interest litigation filed by Dr H T Chandrashekar, former additional deputy commissioner from Mysuru, and Col C P Muthanna from Kodagu.