Answer the following Q with stream of consciousness. Context: Governors-General served at the pleasure of the sovereign, though the practice was to have them serve five-year terms. Governors-General could have their commission rescinded; and if one was removed, or left, a provisional governor-general was sometimes appointed until a new holder of the office could be chosen. The first Governor-General of British India was Warren Hastings, and the first Governor-General of independent India was Louis Mountbatten.

Question: who was the first governor general of free india?

Show your work and conclude with the exact phrasing "Therefore, the final answer is [answer]." where [answer] is just the final number or expression that solves the problem.
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The relevant information to answer the above question is: The first Governor-General of British India was Warren Hastings, and the first Governor-General of independent India was Louis Mountbatten. Therefore, the final answer is Louis Mountbatten.