Bank of Tokyo-Mitsubishi UFJ (MUFG) is set to buy a 20% stake in HDB Financial Services, a non-banking subsidiary of HDFC Bank, at a valuation of $9-10 billion. The decision is expected to take place next week at the HDFC Bank board meeting. The deal is expected to be among the largest deals in the shadow banking space in India. HDFC Bank owns 95% of the shadow bank, while employees own 5% as ESOPs.