Indian markets may open flat Tuesday as GIFT Nifty signals weakness. HDFC Bank trades ex-bonus, while Paytm okays ₹455 crore in fresh investments and restructuring. Protean eGov wins a ₹1,160 crore UIDAI order. TPG to exit Sai Life via ₹2,500 crore block deal. Vikram Solar and Patel Retail debut today amid US tariff concerns.