What is Balaji Viswanathan's opinion on the Indian Prime Minister Modi's new policy about illegalization of 500 and 1000 currency notes?

The provided sources do not include any direct statements or opinions from Balaji Viswanathan regarding Indian Prime Minister Modi's policy on the demonetization of 500 and 1000 rupee currency notes.

The first source discusses a conversation involving Balaji Viswanathan, but it focuses on the future of banking, customer experience in digital banking, and the shift in skills and roles in the banking sector, without mentioning demonetization or his views on it1.

For opinions on the demonetization policy, you would need to refer to other sources, such as the second source, which provides a critical analysis of the policy and the Supreme Court's judgment on it, but this is not attributed to Balaji Viswanathan2.