Dr.Tirthankar Patnaik, Director & Strategist-Institutional Research, Religare Capital Markets Limited told NDTV Profit that the market needs more concrete action for an upswing to sustain. "Reforms, if they come in strong, can be key drivers for markets. Fiscal balances, retrospective taxation are now on the radar of investors. "Weaker growth, earnings downgrade are key concerns for Indian markets; however, cheaper commodities are a positive for India," he said.