Auto sector has witnessed a healthy retail uptick during Onam and Ganesh Chaturthi, it is expected that retail sales during the upcoming festive season (Diwali, Dusherra) will be strong compared to the previous year. With 27% returns in 6 months, the Nifty Auto index is among the best sectoral performers and is led by strong upside in Tata Motors, Maruti Suzuki, M&M and Hero MotoCorp.