The constitution of Bangladesh came into effect from? A December 13, 1972 B December 14, 1972 C December 15, 1972 D December 16, 1972 The constitution of Bangladesh came into effect from? Correct Answer December 16, 1972 Bissoy MCQ Team Jun 03, 2023 অর্থনীতি B ইউনিট খুলনা বিশ্ববিদ্যালয়