Sangma said that discussions, visits and surveys were conducted by regional committees of the two states headed by cabinet ministers, and special technologies were used in the exercise. The areas will be more accurately determined by the Survey of India in the presence of representatives of both the states. The chief minister said that both the states have signed an MoU in January end on the resolution and conclusion of dialogue in six areas of difference and it was forwarded to Prime Minister Narendra Modi and Union Home Minister Amit Shah.