Letter to BS: Is Modi govt finally winning the war against black money?

Of late, the central government has come under strong criticism from various commentators for the decisions it made, namely, demonetisation and the Goods and Services Tax (GST). The government has been criticised for the dip in the growth rate caused by these two decisions.
 
However, all said and done, credit must be given where it is due. The GST has been a monumental reform replacing all indirect taxes by a single tax. The experience of GST in other economies cannot be compared with the Indian experience for the sheer difference in the scale of implementation.
 
The critics need