81 cases have been registered against yoga guru Ramdev’s Patanjali Yogpeeth Trust in Uttarakhand for gross violation of land laws, chief minister Vijay Bahuguna said on Wednesday. The cases have been registered against the Trust for illegally encroaching 7.766 acres of gram sabha and government land in two villages – Shatarshah and Aurangabad – in Haridwar district over the past two years, he said. A report has been submitted by Haridwar district magistrate Nidhi Pandey on the Trust.