The Bangladesh High Commission in New Delhi observed National Mourning Day Monday to remember and mourn the brutal assassination of Father of the Nation Bangabandhu Sheikh Mujibur Rahman and most of his family on August 15, 1975. The unfinished task of building Sonar Bangla, the dream of Bangabandhu, is being accomplished by his daughter Prime Minister Sheikh Hasina, High Commissioner Muhammad Imran said at a discussion. "Bangabandhu always dreamt of hunger and poverty-free Bangladesh. It was the main philosophy of our great leader Bangabandhu," he added. Also read: National Mourning Day observed in Japan The official programme of mourning at the mission began when the national flag was lowered to half-staff. Messages from the president, prime minister, foreign minister and state minister for foreign affairs were read out after Imran laid a wreath at the portrait of Bangabandhu. A minute of silence was observed and a special prayer was offered in memory of the martyrs of August 15. Also read: Bangladesh High Commission in Canberra observes National Mourning Day The special publication "Bangabandhu The Legend Forever" was also unveiled and a documentary on the life of Bangabandhu was screened.