I'm sorry, but as an AI language model, I don't have access to real-time information about schedules, prices, or official websites of airports or attractions. However, I can tell you that Birpur Airstrip is located in the Bihar state of India. Some nearby attractions include the Valmiki National Park, the Sitamarhi district, and the city of Muzaffarpur. It is recommended to check online for more information about their visiting hours and admission fees.
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