"I have always wondered to myself that in the last two years with average to moderate governance (economic growth was sub-five per cent).
"India has a capacity to grow by 8-9 per cent. If we had followed the best practices and displayed the highest standards of good governance, probably our (levels) of growth would have been more exuberant," he said in his valedictory address at the CAG conference.
Amid investments slowing down and allegation of corruption in allocation of natural resources, India's economic growth had slumped to below 5 per cent in 2012-13 and 2013-14.
The BJP led-NDA government, which assumed power in May, had fought the election on the promise of providing good governance to the country.
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A recent World Bank report projects India's economy to expand by 5.6 per cent this fiscal as reforms gain momentum and the growth is expected to accelerate as proposed measures such as Goods and Services Tax provide a boost to manufacturing sector.
Highlighting the importance of audit, Jaitley said accountability and transparency are essential as it helps in good governance.