The 28th session of Indian National Congress was held at which among the following place in Bihar?

The correct answer is D. Bankipur.

The 28th session of the Indian National Congress was held in Bankipur, Patna, Bihar from 26 to 31 December 1917. The session was presided over by Annie Besant. The main theme of the session was swaraj or self-rule. The session was attended by over 10,000 delegates from all over India. The session passed a number of resolutions, including one demanding swaraj for India. The session also elected a new president, Bal Gangadhar Tilak.

The other options are incorrect. Bhagalpur is a city in Bihar. Muzaffarpur is a city in Bihar. Ranchi is the capital of Jharkhand.