What was the date on which the Orissa (Alteration of Name) Act, 2011 came into effect?
The date on which the Orissa (Alteration of Name) Act, 2011 came into effect is not explicitly mentioned in the provided context. However, it can be inferred that the act came into effect on November 1st, 2011 as indicated by "w.e.f. 1- 11-2011" which stands for "with effect from".