4 smallcap operating margin above 20 per cent stocks compared on market cap, PE, ROE, growth and institutional holding: Emmvee Photovoltaic, Engineers India, Sarda Energy and Gujarat Pipavav.

4 midcap operating margin above 20 per cent stocks compared on market cap, PE, ROE, growth and institutional holding: Lupin, Oil India, NALCO and Aegis Logistics.

4 largecap operating margin above 20 per cent stocks compared on market cap, PE, ROE, growth and institutional holding: Adani Ports, HAL, Eicher Motors and Cummins India.