Bank of India said it will buy a 49% stake each in BOI AXA Investment Managers Pvt Ltd (BAIM) and BOI AXA Trustee Services Pvt Ltd (BATS) from AXA investment Managers Asia Holdings Pvt Ltd (AXA IM). The bank said that the paper work and acquisition will be completed by the end of December or any other date mutually agreed by both the parties. Previously, BOI has acquired a 51% stake in Bharti AXA Investment Managers Pvt Ltd on May 7, 2012