International Border Areas
Length of International Boundary (Source-SOI)
Indo-Bangla - 267.5 KM
Indo-Bhutan - 265.8 KM
Total - 533.3 KM
There are eight (8) nos. of Districts along the Inter-national boundary with Bangladesh and Bhutan.
District wise length of International Boundary-
- Baksa-Bhutan - 82.9 KM
- Chirang-Bhutan - 70.7 KM
- Kokrajhar-Bhutan - 61.4 KM
- Udalguri-Bhutan - 50.8 KM
- Karimganj-Bangla - 98.3 KM
- Cachar-Bangla - 27.3 KM
- Dhubri & South Salmara Mankachar-Bangla - 141.9 KM
Inter-State Border Areas
Length of Inter-state Boundary (Source–SOI)
- Assam-Nagaland - 512.1 Km
- Assam-Arunachal Pradesh - 804.1 Km
- Assam-Manipur - 204.1 Km
- Assam-Mizoram - 164.6 Km
- Assam-Tripura - 46.3 Km
- Assam-Meghalaya - 884.9 Km
- Assam-West Bengal - 127.0 Km
Total Length: 2741.3 Km
There are 24 (twenty four) nos. of Districts along the Inter-State boundary with the neighbouring states.
- Sivasagar-Nagaland - 57.80 Km
- (i) Charaideo-Nagaland - 34.00 Km (ii) Charaideo-Arunachal Pradesh - 26.80 KM
- Jorhat-Nagaland - 128.50 Km
- Golaghat-Nagaland - 126.50 Km
- Udalguri-Arunachal Pradesh - 27.70 Km
- Sonitpur-Arunachal Pradesh - 71.90 Km
- Biswanath-Arunachal Pradesh - 77.30 Km
- Lakhimpur-Arunachal Pradesh - 108.80 Km
- Dhemaji-Arunachal Pradesh - 177.20 Km
- Tinsukia-Arunachal Pradesh - 282.80 Km
- Dibrugarh-Arunachal Pradesh - 31.60 Km
- (i)Dima Hasao-Manipur - 73.50 Km (ii)Dima Hasao-Meghalaya - 124.90 Km (iii)Dima Hasao-Nagaland-45.60Km
- (i)Cachar-Manipur-130.60 Km (ii)Cachar-Mizoram-52.90 Km (iii)Cachar-Meghalaya-19.50 Km
- Hailakandi-Mizoram - 99.10 Km
- (i) Karimganj-Mizoram - 12.60 Km (ii) Karimganj-Tripura - 46.30 Km
- Karbi Anglong-Nagaland - 119.70 Km
- West Karbi Anglong-Meghalaya - 162.10 Km
- Morigaon-Meghalaya - 14.50 Km
- Kamrup(M)-Meghalaya - 79.70 Km
- Kamrup-Meghalaya - 200.90 Km
- Goalpara-Meghalaya - 169.80 Km
- (i)Dhubri-Meghalaya - 15.18 Km (ii) Dhubri-West Bengal - 72.90 Km
- South Salmara Mankachar-Meghalaya - 98.32 Km
- Kokrajhar-West Bengal - 54.10 Km
