The Northern Zonal Council, established under the States Reorganisation Act, 1956, comprises the states of Haryana, Himachal Pradesh, Punjab, Rajasthan, and the Union Territories of Chandigarh, Delhi, Jammu & Kashmir, and Ladakh. Option B correctly lists several of the states and the National Capital Territory of Delhi, all of which are members of the Northern Zonal Council. Options A, C, and D incorrectly include Uttar Pradesh and Uttarakhand, which belong to the Central Zonal Council.