GDP growth rate is an average of growth in its component sectors. So in the years that GDP growth rate was around 8%, in 2003 for instance, banking sector growth rate was 29% and the automobile sector growth rate was 45%. Now if you have some sectors where growth rate is so high, your average will go up, even if the variance is very high.
The banking sector growth rate was high because the government, or the State Bank rather, allowed consumer financing from 2002 onwards. The monetary was you could get a loan for a house, car, fridge, camera, if for nothing else, a vacation or a personal loan. Banks made enormous profits out of consumer credit and profits are a component of GDP. A lot of this credit was going in for buying cars so automobile production went up by 40-45%.
So basically it was a one legged growth and that one leg is consumer financing. You remove consumer financing, everything else collapses. You are only managing an economy for your numbers to look good, for headlines