Simla Agreement in the context of "India–Pakistan relations"

The Line of Control (LoC) is a military control line between the Indian- and Pakistani-controlled parts of the former princely state of Jammu and Kashmir—a line which does not constitute a legally recognized international boundary, but serves as the de facto border. It was established as part of the Simla Agreement at the end of the Indo-Pakistani War of 1971. Both nations agreed to rename the ceasefire line as the "Line of Control" and pledged to respect it without prejudice to their respective positions. Apart from minor details, the line is roughly the same as the original 1949 cease-fire line.

The part of the former princely state under Indian control is divided into the union territories of Jammu and Kashmir and Ladakh. The Pakistani-controlled section is divided into Azad Kashmir and Gilgit–Baltistan. The northernmost point of the Line of Control is known as NJ9842, beyond which lies the Siachen Glacier, which became a bone of contention with Indian and Pakistani armed forces clashing there from 1984. To the south of the Line of Control, (Sangam, Chenab River, Akhnoor), lies the border between Pakistani Punjab and the Jammu province, which has an ambiguous status: India regards it as an "international boundary", and Pakistan calls it a "working border".

The Kashmir conflict is a territorial conflict over the Kashmir region, primarily between India and Pakistan, and also between China and India in the northeastern portion of the region. The conflict started after the partition of India in 1947 as both India and Pakistan claimed the entirety of the former princely state of Jammu and Kashmir. It is a dispute over the region that escalated into three wars between India and Pakistan and several other armed skirmishes. India controls approximately 55% of the land area of the region that includes Jammu, the Kashmir Valley, most of Ladakh, the Siachen Glacier, and 70% of its population; Pakistan controls approximately 30% of the land area that includes Azad Kashmir and Gilgit-Baltistan; and China controls the remaining 15% of the land area that includes the Aksai Chin region, the mostly uninhabited Trans-Karakoram Tract, and part of the Demchok sector.

After the partition of India and a rebellion in the western districts of the state, Pakistani tribal militias invaded Kashmir, leading the Hindu ruler of Jammu and Kashmir to join India. The resulting Indo-Pakistani War ended with a UN-mediated ceasefire along a line that was eventually named the Line of Control. In 1962, China invaded and fought a war with India along the disputed Indo-Chinese border, including in Indian administered-Ladakh, marking their entry to the Kashmir conflict. In 1965, Pakistan attempted to infiltrate Indian-administered Kashmir to precipitate an insurgency there, resulting in another war fought by the two countries over the region. After further fighting during the war of 1971, the Simla Agreement formally established the Line of Control between the territories under Indian and Pakistani control. In 1999, an armed conflict between the two countries broke out again in Kargil with no effect on the status quo.

Shimla, also known as Simla (the official name until 1972), is the capital and the largest city of the northern Indian state of Himachal Pradesh. In 1864, Shimla was declared the summer capital of British India. After independence, the city became the capital of East Punjab and was later made the capital city of Himachal Pradesh. It is the principal commercial, cultural and educational centre of the state. It is the largest true hill-built city in the world.

Small hamlets were recorded before 1815 when British forces took control of the area. The climatic conditions attracted the British to establish the city in the dense forests of the Himalayas. As the summer capital, Shimla hosted many important political meetings including the Simla Deputation of 1906, the Simla Accord of 1914 and the Simla Conference of 1945. After independence, the state of Himachal Pradesh came into being in 1948 as a result of the integration of 28 princely states. Even after independence, the city remained an important political centre, hosting the Simla Agreement of 1972. After the reorganisation of the state of Himachal Pradesh, the existing Mahasu district was named Shimla.

Sia La is a mountain pass situated on Saltoro Ridge some 60 km (37 mi) north-northwest of map point NJ9842 which defined the end of the 1972 Line of Control between India and Pakistan as part of the Simla Agreement. Sia La is under Indian control and sits near the Line of Actual Control between India and China and is immediately northwest of the upper part of the vast Siachen Glacier, connecting that glacier to the Pakistani-controlled Kondus Glacier and valley to the west.

The Saltoro Mountains Range, of which western slopes are held by Pakistan and separated by the Actual Ground Position Line (AGPL) the higher peaks and passes are held by India all of which remain snowbound throughout the year, provides access to Siachen Glacier to its east through five passes, i.e., listed from south to north are Chulung La (5,800m), Yarma La (6,100m), Gyong La (5,640m), Bilafond La (6,160m) - also called Saltoro La, and Sia La (7,300m).

Bilafond La (meaning "Pass of the Butterflies" in Balti language), also known as the Saltoro Pass, is a mountain pass situated on Saltoro Ridge, sitting immediately west of the vast Siachen Glacier, some 40 km (25 mi) directly north of map point NJ9842 which defined the end of the 1972 Line of Control between Pakistan and India as part of the Simla Agreement. Bilafond La is on the ancient Silk Road linking the Indian subcontinent and China. It has been under Indian control since 1984.

The Saltoro Mountains Range, of which western slopes are held by Pakistan and separated by the Actual Ground Position Line (AGPL) the higher peaks and passes are held by India all of which remain snowbound throughout the year, provides access to Siachen Glacier to its east through five passes, i.e., listed from south to north are Chulung La (5,800m), Yarma La (6,100m), Gyong La (5,640m), Bilafond La (6,160m) - also called Saltoro La, and Sia La (7,300m). Bilafond La was a prominent feature during the 1984 start of military action in the Siachen Conflict between India and Pakistan. The Indian Army captured the pass in 1984 along with Sia La to the north and, in 1987, Gyong La to the south. India currently maintains a fortified military base at Bilafond La.

The Battle of Turtuk was a military engagement between India and Pakistan that took place during the Indo-Pakistani War of 1971. Fighting between the two sides took place in Turtuk and its surrounding areas, then part of the Pakistani-administered Northern Areas in Kashmir. Following this battle, Indian forces captured Turtuk from Pakistan, which had controlled the area since the Indo-Pakistani War of 1947–1948. Per the Simla Agreement, Turtuk was incorporated into the erstwhile Indian-administered state of Jammu and Kashmir, and formally became a part of Ladakh following the revocation of Article 370 by the Government of India in August 2019.