The mystery is that rapid export growth has not translated into higher domestic-sector investment, especially as real interest rates in the region have been low or even negative for much of the past three years.

ECONOMIST: Why oil exporters and East Asians are reluctant to spend

Led by burgeoning info-tech revolution at home, India's export of services has grown at a rapid clip in the past decade.

BBC: How worrying is India's current account deficit?