Tata Capital and Japan-based Mizuho Securities (MHSC) today entered into an alliance for private equity, investment banking including cross-border mergers and acquisitions, securities business including broking and distribution, structured finance and other business areas like wealth management.Tata Capital, a wholly-owned subsidiary of Tata Sons, is registered with Reserve Bank of India (RBI) as a non-banking financial company undertaking fund- and fee-based businesses in the financial sector.