R. Helim Fertilizers, India, balanced use, why, how 175-177 2 (5) September, 2026 The North Eastern Hill (NEH) Region of India encompasses states like Arunachal Pradesh, Meghalaya, Mizoram, Nagaland, Sikkim, and the hilly tracts of Assam, Manipur, and Tripura. Agriculture in this terrain faces unique challenges, including severe soil acidity, steep slopes, high rainfall, and traditional Jhum (shifting) cultivation.