New Delhi, May 22 (ANI): In the 20th edition of Mann Ki Baat, Prime Minister Narendra Modi also talked about how times have transitioned. He spoke about the time when there was barter system and no coins or currency notes were available. Gradually, coins and currency came in. He spoke about people moving towards a cashless society and how using JAM can help move towards becoming a cashless society. He further added that the concept of cashless society may turn out to be a success.