Why are people angry on PM Modi and his demonetisation?

PM Modi will address the nation regarding demonetisation on Saturday Prior to that this is what the common people have to say to the PM

PM Modi’s supporters many be in the queue to grant him grace period to set the problems right. But those who are suffering as they cannot withdraw their hard earned money even for basic needs like medicine and food are seething with anger.

This is what the people have to say and the best one comes at the end!

Is this true? 

Here comes the best one: