Ms. Yingluck Shinawatra, Prime Minister and Minister of Defense. Presided over the opening ceremony " OTOP Health , Health & Herbs 2013. Rally organized by the Department . So that the people have access to good quality OTOP products . I found health knowledge and includes Entertainment . And healthy lifestyle lovers . on held during the period from October 22 to 28 at the Challenger Hall 1-2. IMPACT Exhibition Centre