Thirteen stocks are under the F&O ban list on Tuesday, February 13 viz. Aditya Birla Fashion and Retail (ABFRL), Ashok Leyland, Aurobindo Pharma, Balrampur Chini, Bandhan Bank, Biocon, Delta Corp, Hindustan Copper, India Cements, Indus Towers, Punjab National Bank (PNB), Steel Authority of India (SAIL) and Zee Entertainment Enterprises (ZEEL).