"India's low income levels and weak fiscal and debt indicators constrain the country's credit profile," Standard and Poor's said in a research note on the country's rating.
The agency said last year's election results created a conducive environment for reforms with political stability, but termed the "governance effectiveness" as a "neutral credit factor".
It had upgraded India's credit rating outlook from 'negative' to 'stable' in September on hopes of reforms. Prior to that, it had voiced concerns about lack of growth, a sense of "policy paralysis" and the high fiscal deficit, and had even threatened to downgrade the rating to 'junk'.
"Crucial factors include higher growth in real per capita GDP, stronger fiscal and debt metrics, and a stronger external position or improved monetary policy setting, and the government's ability to fulfil its promises on key reforms will be critical to the country's success," it added.
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S&P said higher growth in real per capita GDP, stronger fiscal/debt metrics and an improved external position as well as monetary policy setting are essential to enhance the current 'BBB-' rating with a stable outlook.
Finance Minister Arun Jaitely will present the Union Budget, 2015-16 on February 28 and there are expectations that he may announce some pro-growth measures as also certain steps to benefit the common man.