India's AYUSH Minister Shripad Yesso Naik on Sunday said the ministry will ink an agreement with the World Health Organization to popularise AYUSH system of medicine at a global level.He said the ministry had inked memorandums of understanding with several countries for cooperation in the field of traditional medicines."The National Health Policy will be reviewed in six months to incorporate this aspect of propagation of AYUSH in the wake of suggestions," Naik said at the inauguration of a four-day National Arogya Fair here.AYUSH stands for Ayurveda, Yoga and Naturopathy, Unani, Siddha and Homoeopathy systems medicine and wellbeing.Naik said India will partner with the USA for research in AYUSH to look for treatment of cancer.The Arogya Fair aims to create public awareness on the efficiency of the AYUSH system, its cost-effectiveness and availability of herbs and plants used for prevention and treatment of common ailments.