Celebrities like Rajinikanth, Amitabh Bachchan, Karan Johar and Anurag Kashyap have also backed the move.
Shah Rukh, 51, also took to Twitter to hail the step taken by the PM, calling it, "a great move".
"Farsighted. Extremely smart. And not politically motivated. Will bring such a positive change for Indian economy. Great move @narendramodi," he wrote.
In his first televised address to the nation on November 8, two-and-a-half-years after assuming office, the PM declared a "decisive" war against black money and corruption with abolishing high denomination currency being a part of it.
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