Original sentence: The Indian Himalayan Region'(IHR)  is the section of the Himalayas within India, spanning 11 Indian  states and union territories namely UTs of Jammu and Kashmir and Ladakh, and States of Himachal Pradesh, Uttarakhand, Sikkim, Arunachal Pradesh, Nagaland, Manipur, Mizoram, Tripura, Meghalaya, Assam and West Bengal
Edited sentence: The Indian Himalayan Region'(IHR)  is the section of the Himalayas within India, spanning 11 Indian  states and union territories namely the regions of Jammu and Kashmir and Ladakh administered by India as UTs, and states of Himachal Pradesh, Uttarakhand, Sikkim, Arunachal Pradesh, Nagaland, Manipur, Mizoram, Tripura, Meghalaya, Assam and West Bengal