DODOMA: THE Bank of Tanzania (BoT) and commercial banks in the country have been challenged to develop effective programmes and customer services to enhance and broaden financial services for various groups, including retirees. Deputy Minister of State, President’s Office, Finance and Planning Juma Makungu Juma specifically advised retirees to invest their pensions wisely for sustainable and profitable returns. The deputy minister responded to a question from Mwanakwerekwe Representative Ameir Abdalla Ameir, who inquired about the support retirees receive to make wise investments for sustainable income in their old age.