When was Puducherry's name changed according to The Pondicherry (Alteration of Name) Act, 2006?
The answer to the question "When was Puducherry's name changed according to The Pondicherry (Alteration of Name) Act, 2006?" is not explicitly provided in the given context. However, by referring to footnote 3, it can be inferred that the change occurred on October 1, 2006.