President Pratibha Patil on Monday concluded her six-day state visit to China, viewed here as one of the most high-profile trips by an Indian Head of State. Patil left for home from the eastern metropolis Shanghai, the Press Trust of India reported. Before departing, she also addressed a meeting of Indian and Chinese businessmen. Pratibha Patil who arrived here on May 26 had meetings with almost all top Chinese leaders, including President Hu Jintao and Premier Wen Jiabao.