Since negotiations are still ongoing, any report on possible solutions to various issues during the negotiations would only be speculative, the spokesperson said.
The Centre on Monday extended the ceasefire agreements with three insurgent groups of Nagaland for one more year till April next year.
The NSCN-IM delegation, led by senior leader V S Atem, met interlocutor A K Mishra at an undisclosed location in the national capital.
Both the NSCN-IM and the government representatives have agreed to resume their peace dialogue on Wednesday in New Delhi to find a permanent solution to the vexed issue.
Security forces in Nagaland and Arunachal Pradesh have mounted vigil in areas where the Nationalist Socialist Council of Nagalim (Khaplang) led by Burmese-origin Naga S S Khaplang has strong influence.