What happened to the decision of introducing plastic currency?

As Arun Jaitley, the Financial minister in Parliament said that they will introduce the Plastic currency
in this Country.As soon as many of us want to know the Advantages and disadvantages of using plastic currency and also studied the feasibility of a big country and as well as the big populated country like India.Why haven't we seen the Plastic currency till date?Is the decision is in halted or in the process or else withdrawn. Do you think India can have a capacity to manufacture plastic currency?Knowledgeable members, please respond to the question.