Explanation:- Reserve Bank of India (RBI) has approved the appointment of former Comptroller and  Auditor General (CAG) Vinod Rai as the Independent Chairman of Unity Small Finance  Bank Limited (Unity Bank). ? Unity Small Finance Bank is a joint venture of the Centrum Group and fintech firm  BharatPe, in the ratio 51:49 respectively. ? Reserve Bank of India has a granted small finance bank licence to the consortium of  Centrum Financial Services Limited (Centrum), and Resilient Innovations Private Limited  (BharatPe) named Unity Small Finance Bank. ? The Unity Small Finance Bank will take over the assets and liabilities of Punjab and  Maharashtra Co-operative Bank. ? RBI had given in-principle approval to Centrum Financial Services Limited to set up a small finance bank in June 2021.  It is the 12th Small Finance Bank in India