Correct Answer: (a) Kerala and Tamil Nadu
Solution:Till 2008, there was no reservation for Scheduled Tribes in Lok Sabha in the States of Arunachal Pradesh, Goa, Haryana, Himachal Pradesh, Jammu and Kashmir, Karnataka, Kerala, Meghalaya Nagaland, Punjab, Sikkim, Tamil Nadu, Uttar Pradesh. After the delimitation of 2008, Karnataka and Meghalaya both have reserved seats (2-cach states) for Scheduled Tribes in Lok Sabha. At present, there is no reservation for Scheduled Tribes in Lok Sabha in the State of Kerala and Tamil Nadu.