With GST launch, race against time to avoid sales tax upheaval across India

India is scrambling to finalize technology to process as many as 3.5 billion invoices each month as it moves to roll out the landmark goods and services tax (GST) from 1 July. The success of one of the world’s largest and most complex tax reforms depends on the glitch-free performance of the goods and services tax network (GSTN)—the IT backbone of the new system that will eliminate a complex web o…