Even as international ratings agency Moody’s upgraded India's sovereign rating from negative to stable, the government is attaching little importance to downgrades or upgrades by ratings agencies. “What we are looking at is that it (rating) should not go below investment grade. All kinds of investments coming into the country depend on that grading,” outgoing chief economic adviser (CEA) to the government KV Subramanian told Outlook Business in his last interaction the night before he stepped down as CEA.