Index constituents State Bank of India, ONGC, Tata Motors, Punjab National Bank, M&M, Bank of Baroda and Bharat Heavy Electricals will announce their July-September numbers on Friday. Among actively tracked firms, SAIL, BEML, Voltas, SRF, GE Shipping, Punj Lloyd, SPIC, Ramco Systems, Essar Oil, Essar Shipping, Vijaya Bank, Union Bank, IL&FS Transportation and Godrej Industries will also declare their numbers.