Explanatory Question
প্রকৃত জাতীয় পতাকার তিনটি রং কত সালে গৃহীত হয়েছিল ?
Read the answer carefully and go through the related questions on the right side to improve your understanding of this topic.
১৯৩১ সালে
First read the answer fully, then try to explain it in your own words. After that, open a few related questions and compare the concepts. This method helps you remember the topic for a longer time and improves exam preparation.