
1) Region in N India
Found on
https://www.crosswordclues.com/clue/oudh

Region of north India, now part of Uttar Pradesh state. An independent kingdom before it fell under Mogul rule, Oudh regained independence 1732–1856, when it was annexed by Britain. Its capital was Lucknow, centre of the Indian Mutiny 1857–58. In 1877 it was joined with Agra, from 1902 as the United Provinces of Agra and Oudh, renamed Utt...
Found on
https://www.encyclo.co.uk/local/21221

a former part of the United Provinces of Agra and Oudh in N India: now part of Uttar Pradesh.
Found on
https://www.infoplease.com/dictionary/oudh
No exact match found.