On the banks of which river is the historic Bada Imambara situated?

Explanation

Gomti. The Bada Imambara is located in Lucknow, Uttar Pradesh, on the banks of the Gomti River. Built by Asaf-ud-Daula, the Nawab of Awadh, in 1784, it is world-renowned for its massive central hall constructed without any supporting pillars and its intricate labyrinth known as the Bhulbhulaiya.