Currency notes of what denomination were demonetized in November 2016 by the Reserve Bank of India?

Question

How will this help eradicate black money menace?

Is that Just a beginning of the end of black money in India?

Answer 1

500 and 1000 Rupees Notes
In his first televised address to the nation, Mr. Modi said people holding notes of Rs. 500 and Rs. 1000 can deposit the same in their bank and post office accounts from November 10 till December 31 of 2016.