<s>[INST] What is the significance of sub-section (1) of section 3 of the State of Nagaland Act, 1962, in relation to Assam's territories? [/INST] The significance of sub-section (1) of section 3 of the State of Nagaland Act, 1962, in relation to Assam's territories is that it excludes the territories specified in this sub-section from being included in the Province of Assam or the Khasi States and the Assam Tribal Areas. </s>