সঠিক উত্তর হচ্ছে: Operation Big Bird
ব্যাখ্যা: On the fateful night of March 25, 1971, the Pakistan army resorted to massacring the common people of Bangladesh. The army also conducted an operation under the code name ‘Operation Big Bird’ that night to arrest Sheikh Mujib from his residence. Upon arresting him, one Major Jaffar declared through wireless, as Siddiq Salik wrote in his book ‘Witness to Surrender’: “Big bird in the cage; others not in their nest….over.” The Pakistan army thought ensnaring Sheikh Mujib would lead to the demise of Bangladesh. But alas! Their cage was so brittle that it crumbled to pieces within nine months, and the big bird was again freed, and he charmed a new nation through his melody.