What's behind the significant decline in Pakistan's currency in circulation?

Pakistan's currency in circulation has declined significantly in recent times as Pakistanis have rushed to banks to deposit money.

According to data from the country's central bank, the volume of currency in circulation that was PKR 9,153 billion in June has now come down to PKR 8,532bn.

But why have people started to consider banks a more attractive option over the 'usual' investment avenues such as real estate? Nukta explains.