The vigilance department of the Insurance Regulatory and Development Authority is looking into such complaints in Rajiv Gandhi Shilpi Swasthya Bima Yojana, Weather Insurance Scheme, Shetkari Apghati Durghatana Bima Yojana and Panjikrut Kishan Durghatana Bima Yojana, according to a letter written by IRDA to Finance Ministry on its ongoing probe.