Welspun Enterprises reports Q2 FY26 unaudited results with 28% EBITDA growth to INR 192 crore, 23.9% margin; Panjrapur 910 MLD water plant LOA of INR 3,145 crore boosts order book to INR 15,600 crore; plans INR 1,000 crore warrant-based fund raise; order book stands at INR 15,600 crore.