In which one of the following provinces was a Congress ministry not formed under the Act of 1935?

Correct Option (D):

Following the provincial elections of 1937, conducted under the provisions of the Government of India Act, 1935, the Indian National Congress did not form a ministry in Punjab. In Punjab, the Unionist Party, led by Sir Sikandar Hayat Khan, formed the government with the support of the Muslim League and Akalis.

Incorrect Options:

The Indian National Congress formed ministries in Bihar, Madras, and Orissa after securing a majority or forming a coalition in the 1937 provincial elections. These provinces were among the eight where Congress ministries were established, reflecting their significant electoral performance under the Government of India Act, 1935.