International Borders of India and important border lines 2022
An international borderline depicts the separation of two different countries. For example, the India Pakistan border separates India and Pakistan with a 3323 km long international border. An international model line divides two different countries and marks the territorial limits between the two countries. India has 15106.7 km long land borders which run through 18 states and 92 districts including the union territories. India shares its international land borders with 7 different countries. The seven countries that share international borders with India are Bangladesh China Afghanistan Myanmar Bhutan Nepal and Pakistan. It shares maritime borders with Sri Lanka Maldives and Indonesia.
The coastline of India is 7516.6 km long which brushes approximately 13 states and union territories. The longest international borders of states and union territories are, West Bengal is 2509.7 km long, Rajasthan is 1170 km and Arunachal Pradesh is 1817 km long. Nagaland has the smallest international borders, it is 125 km. Ladakh is the only union territory to have three international boundaries with three different countries, Ladakh has its international borders with Pakistan China and Afghanistan.
States in India that share International Borders
- India Pakistan Borders is of 3233 km. The border touches Jammu and Kashmir, Punjab, Rajasthan, and Gujarat
- India and China’s border is 3488 km. The border touches Himachal Pradesh, Uttarakhand, Arunachal Pradesh, Jammu and Kashmir, and Sikkim.
- India Nepal border is 1770 km. The border touches Bihar, Uttarakhand, Uttar Pradesh, West Bengal, and Sikkim.
- India and Bhutan’s border is 699 km. The border touches Arunachal Pradesh, Sikkim, Assam, and West Bengal
- India and Myanmar’s border is 1643 km. The border touches Arunachal Pradesh, Nagaland, Mizoram, and Manipur.
- India and Bangladesh’s border is 1576 km. The border touches Bengal, Assam, Meghalaya, Tripura, and Mizoram.
- India and Afghanistan’s border is 106 km. The border touches Jammu and Kashmir.
Important International Borders
The following table lists the important international boundary lines for IAS Exam:
| Name of Lines/Boundaries | Between | Features/ Description |
| 17th Parallel | South Vietnam and North Vietnam | The 17th latitude from the equator divided erstwhile North and South Vietnam. |
| It was demarcated based on the 1954 Geneva Accords. | ||
| The 17th parallel became irrelevant after the unification of Vietnam in 1976. | ||
| 20th Parallel | Libya and Sudan | It is located at the 20th northern latitude which is used as the border between Sudan and Libya. |
| 22nd Parallel | Egypt and Sudan | The 22nd latitude north of the equator marks a major portion of the Sudan-Egypt border. |
| 25th Parallel | Mauritania and Mali | The northernmost section of the Mali-Mauritania border is marked using this line. |
| 31st Parallel | Iran and Iraq | The 31st northern latitude marks the border between Iraq and Iran. |
| It also demarcates the border between the US states of Louisiana and Mississippi. | ||
| 38th Parallel | South Korea and North Korea | The 38th parallel is used to demarcate the central part of the Demilitarized zone between North and South Korea. |
| 49th Parallel | The USA and Canada | It is located 49 degrees north of the equator. |
| Demarcated after the Anglo-American Convention of 1818 and the Oregon Treaty of 1846, it forms the international border between the northern USA (Excluding Alaska) and Canada. | ||
| Durand Line | Pakistan and Afghanistan | Delimited by Sir Mortimer Durand with the agreement of the erstwhile Amir of Afghanistan in 1893. |
| Present-day Afghanistan does not recognize the Durand line. | ||
| Hindenburg Line | Poland and Germany | It was a German Defensive line in French territory during World War I |
| It was rendered irrelevant by the treaty of Versailles in 1919. | ||
| McMahon Line | China and India | It was drawn by Sir Henry McMahon in consultation with Tibetan representatives in 1914. |
| China disputes the legal status of this line but it is the de facto border between India and China. | ||
| Maginot Line | Germany and France | It was a defensive line at the French border towards Germany before World War II. The Maginot line was rendered obsolete following the successful invasion of France by Germany following the outbreak of World War II |
| Mannerheim Line | Russia and Finland | Finland built this as a defensive line against the Soviet Union for the Winter War during World War II. |
| Oder-Neisse Line | Poland and Germany | It runs along the rivers Oder and Lusatian Neisse rivers. |
| It demarcates the Polish-German border according to the Potsdam Conference. It was recognized by a unified Germany in 1990. | ||
| Radcliffe Line | India and Pakistan | It was demarcated by Sir Cyril Radcliffe for the Partition of India and the formation of East and West Pakistan. |
| It includes present-day India, Bangladesh and Pakistan. | ||
| Siegfried Line | France and Germany | It was built as an extension of the Hindenburg defensive line on the western front of World War I by the Weimar Republic and later the Third Reich of Germany in the 1930s. |
| Blue Line | Lebanon and Israel | A border demarcation between Lebanon and Israel published by the United Nations on 7 June 2000 for the purposes of determining whether Israel had fully withdrawn from Lebanon. |
| Green Line / Attila Line / UN Buffer Zone | The Republic of Cyprus and Turkish Cyprus | A demilitarized zone, patrolled by the United Nations Peacekeeping Force in Cyprus (UNFICYP), that was established in 1964 and extended in 1974 after the ceasefire of 16 August 1974 |
FAQ Related to international borders of India
Q1.How many countries share the land border with India?
Ans. India shares its land borders with 7 countries, Bangladesh, China, Pakistan, Nepal, Myanmar, Bhutan, and Afghanistan
Q2.Which country has its share border to the East?
Ans. India shares its border with 7 different countries and to the East, it shares its border with Myanmar, which is 1624 km long.
Q3.Which Indian states share borders with Bangladesh?
Ans. India shares its model with Bangladesh which is 4156 km. The Indian states that share the border with Bangladesh are Assam, Tripura, Meghalaya, Mizoram, and West Bengal.
Q4.What is the India Afghanistan border called?
Ans. The India Afghanistan border is called as Durand line. It was established in the year 1893 between British India and the Emirates of Afghanistan.
Q5.How long are India’s land borders?
Ans. India’s land border is 15106.7 km long and runs through 92 districts in 18 states and union territories.
