Indian stocks may open flat-to-weak Friday as investors eye SEBI's board meeting and August CPI inflation data. Infosys approved an ₹18,000 crore buyback, Lodha signed an MoU for a ₹30,000 crore data centre park, and Bharat Forge struck global defence and drone deals. Railtel, NBCC, Marico, Canara Bank, and JBM Auto also announced key updates.