NEW DELHI: Around 20 stocks fell to touch their 52-week lows on NSE in Tuesday's session.Among stocks that touched their 52-week lows were California Software, Gemini Communication, Mcnally Bharat Engineering and Hindustan Composites.Nagarjuna Oil Refinery, Rolta India, Raj Rayon Industries, Todays Writing Instruments and Viji Finance also featured among stocks that touched their 52-week lows on NSE.On other hand, Proseed India and Tube Investments of India were stocks that hit their fresh 52-week highs today.Domestic benchmark index NSE Nifty was trading 30.65 points down at 10,831.90 while BSE Sensex was trading 85.49 points down at 35,982.84.In Nifty 50 index, Sun Pharma, YES Bank, Axis Bank, Bajaj Auto and Bharti Airtel were among top gainers on NSE.