KATHMANDU: President Bidya Devi Bhandari on Wednesday certified four bills endorsed by the Legislature-Parliament, at her office in Sheetal Niwas, on various dates. According to a press statement issued by the President Office's today, the head-of-the-state enacted four bills; Cooperatives Bill-2074 BS, Health Insurance Bill-2074 BS, Direct Sale of Goods (Management and Regulation) Bill-2074 BS and Bill on Remuneration and Facilities of Province Chiefs-2074 BS in accordance with the article 113.2 of the Constitution of Nepal. The bills were passed by the Legislature-Parliament.