"In 2022, 100 per cent of 1.5 lakh post offices will come on the core banking system enabling financial inclusion and access to accounts through net banking, mobile banking ATMs and also provide online transfer of funds between post office accounts and bank accounts," Sitharaman said. �� Union Budget 2022: All 1.5 Lakh Post Offices in India to Be Connected to Core Banking System, Says FM Nirmala Sitharaman.