"India's Baa3 government bond rating balances the strong growth potential of its large and diverse economy against high fiscal deficits, recurrent inflationary pressures, as well as regulatory and infrastructure constraints on competitiveness," said Moody's Investors Service report.
The stable outlook on the rating is based on an expectation that Indian authorities will continue with policy efforts to improve the macro-economic balance and address structural constraints on growth, it said.
These conclusions are contained in the rating agency's annual credit analysis on India.
Other countries with similar scores for economic strength include Indonesia and Malaysia, which have better competitiveness, income and infrastructure metrics, but smaller economies and lower average real growth rates, it said.
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The report said that "the outlook for India's rating would improve if fiscal, inflation and infrastructure metrics were to move closer to Baa median scores."
India's sovereign credit profile is based on four main analytic factors. These factors are economic strength, institutional strength, fiscal strength and susceptibility to event risk, it said.
Moody's said India's high economic strength is a key source of sovereign credit support. India's GDP growth, savings and investment rates exceed comparable emerging-market averages.
Although growth slowed significantly between 2011 and 2014, Moody's expects it to accelerate from between 5 per cent and 6 per cent over the next year to above 7 per cent thereafter, if global economic and financial conditions remain benign and the government effectively implements its macro-economic and structural reform agenda, it said.
The report pointed to recurrent inflation, regulatory complexity and weak infrastructure as constraints on the rating that reflect institutional challenges.