Once again, your plan is as good as the implementation. Many places have hour long queues, emergency services have been denied and the unorganized sector which mostly deals in cash has been hit very badly. There have been places where soiled notes have had to be issued due to shortage [0]. New notes would take time to reload into ATMs as the ATM machines require recalibration due to size, software and hardware [1].

The new currency notes have no new security features [2]. So, this is just a break until new fake notes will be circulated in the market. It is important to note that the same government had called a similar move anti-poor back in 2014 [3].

[0] http://indianexpress.com/article/india/india-news-india/demo...

[1] https://www.rbi.org.in/Scripts/BS_PressReleaseDisplay.aspx?p...

[2] http://www.thehindu.com/news/national/demonetisation-of-rupe...

[3] http://timesofindia.indiatimes.com/india/Call-back-of-notes-...?