Take a political map of India (with State outlines) and mark:
(a) two states where Congress was not in power at some point during 1952-67.
(b) two states where the Congress remained in power through this period.
(a) Two states where Congress was not in power at some point during 1952-67 was Jammu & Kashmir and Kerala.
(b) Two states where the Congress remained in power through this period was Orissa and Andhra Pardesh.