Give some stream of consciousness and then the answer. Since its Independence in 1947, India has faced two major financial crises and two consequent devaluations of the rupee: In 1966 and 1991.

Answer this question: when was devaluation of rupee done in india?
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 answer is In 1966 and 1991.