Can India's GDP grow 7% annually over 25 yrs? Data suggests it's tough

India has seen GDP growth of 7% or more for five straight years only once in the past 30 years

Bibek Debroy, chairman of the Economic Advisory Council to the Prime Minister, said on Tuesday that India will become an upper-middle-income country by 2047 even if the real gross domestic product (GDP) grows at a “relatively conservative” rate of 7-7.5 per cent in the next 25 years.

If that happens, India’s economic size will be just shy of $20 trillion and its annual per capita income will be about $10,000, when the country celebrates its centenary of independence.

Though 7-7.5 per cent growth does not seem too high, maintaining this for 25 years is a tough task, as is shown