Q. Who was the Nawab responsible for constructing the Bara Imambara in Lucknow in 1784?
Answer: Nawab Asaf-ud-Daula
Notes: Bara Imambara was built by Nawab Asaf-ud-Daula in 1784 during a famine to provide employment; it features a large beamless vaulted chamber and a labyrinth called Bhul-bhulaiya.