Answer the following Q with stream of consciousness. Passage: Since its Independence in 1947, India has faced two major financial crises and two consequent devaluations of the rupee: In 1966 and 1991.

Question: Based on this passage, when was the indian rupee devalued for the first time?
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This is the relevant information: Since its Independence in 1947, India has faced two major financial crises and two consequent devaluations of the rupee: In 1966 and 1991. Therefore, the final answer is 1966.
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