BENGALURU, June 30 : Indian fintech firm Cashfree Payments plans to deepen its cross-border business with offerings such as overseas investment and travel payments as it seeks to tap rising demand for international transactions, CEO Akash Sinha said on Monday. Cashfree, backed by State Bank of India, the country's largest lender, currently facilitates cross-border e-commerce payments. It plans to begin pilots this year for overseas investment, travel and business-to-business payment services,