Union Bank of India (BSE:532477), which had recently acquired other banking units, could sell a stake in its insurance unit. The firm, which was recently amalgamated with Andhra Bank and Corporation Bank, could sell Andhra Bank's stake in a life insurance company. Andhra Bank has a 30% stake in IndiaFirst Life Insurance Company Limited, while Union Bank has a 25.10% stake in Star Union Dai-ichi Life Insurance Company Limited.