Question: When was 500 rs note introduced in india?
Disambiguated questions and answers: question: When was 500 rs Mahatma Gandhi New Series note introduced in india?
When was 500 rs Mahatma Gandhi Series note introduced in india?
answer: 10 November 2016
October 1997
Natural Questions answer: November 10 , 2016 (from the Wikipedia article "Indian 500-rupee note")