ব্যাংক জব সল্যুশন১টি পরীক্ষায় এসেছেপ্রশ্ন ৯২Which of the following is a function of NPSB?কEstablishing interoperability among banks for transactionখEstablishing interoperability among mobile financial service providersগAllowing instantaneous transfer of moneyঘAllowing interoperability among banks and mobile financial service providersউত্তর দেখুন