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The first test for the Indian armed forces came shortly after independence with the first Indo-Pakistani conflict (1947-48). The military was called upon to defend the borders of the state of Jammu and Kashmir when tribals--principally Pathans--attacked from the northwest reaches of Kashmir on October 22, 1947. India's 161st Infantry Brigade was deployed and thwarted the advance of the tribal forces. In early November 1947, the 161st counterattacked and successfully broke through the enemy defenses. Despite early successes, the Indian army suffered a setback in December because of logistical problems. The problems enabled the forces of Azad Kashmir (Free Kashmir, as the part of Kashmir under Pakistani control is called) to take the initiative and force the Indian troops to retreat from the border areas. In the spring of 1948, the Indian side mounted another offensive to retake some of the ground that it had lost. No doubt fearing that the war might move into Pakistan proper, regular units of the Pakistani army became more actively involved. As the conflict escalated, the Indian leadership was quick to recognize that the war could not be brought to a close unless Pakistani support for the Azad Kashmir forces could be stopped. Accordingly, on the advice of Governor General Earl Louis Mountbatten (Britain's last viceroy in India in 1947 and governor general of India, 1947-48), the Indian government sought United Nations (UN) mediation of the conflict on December 31, 1947. There was some opposition to this move within the cabinet by those who did not agree with referring the Kashmir dispute to the UN. The UN mediation process brought the war to a close on January 1, 1949. In all, 1,500 soldiers died on each side during the war.
The second Indo-Pakistani conflict (1965) was also fought over Kashmir and started without a formal declaration of war. It is widely accepted that the war began with the infiltration of Pakistani-controlled guerrillas into Indian Kashmir on about August 5, 1965. Skirmishes with Indian forces started as early as August 6 or 7, and the first major engagement between the regular armed forces of the two sides took place on August 14. The next day, Indian forces scored a major victory after a prolonged artillery barrage and captured three important mountain positions in the northern sector. Later in the month, the Pakistanis counterattacked, moving concentrations near Tithwal, Uri, and Punch. Their move, in turn, provoked a powerful Indian thrust into Azad Kashmir. Other Indian forces captured a number of strategic mountain positions and eventually took the key Haji Pir Pass, eight kilometers inside Pakistani territory.
The Indian gains led to a major Pakistani counterattack on September 1 in the southern sector, in Punjab, where Indian forces were caught unprepared and suffered heavy losses. The sheer strength of the Pakistani thrust, which was spearheaded by seventy tanks and two infantry brigades, led Indian commanders to call in air support. Pakistan retaliated on September 2 with its own air strikes in both Kashmir and Punjab. The war was at the point of stalemate when the UN Security Council unanimously passed a resolution on September 20 that called for a cease-fire. New Delhi accepted the cease-fire resolution on September 21 and Islamabad on September 22, and the war ended on September 23. The Indian side lost 3,000 while the Pakistani side suffered 3,800 battlefield deaths. The Soviet-brokered Tashkent Declaration was signed on January 10, 1966. It required that both sides withdraw by February 26, 1966, to positions held prior to August 5, 1965, and observe the cease-fire line agreed to on June 30, 1965.
The origins of the third Indo-Pakistani conflict (1971) were different from the previous conflicts. The Pakistani failure to accommodate demands for autonomy in East Pakistan in 1970 led to secessionist demands in 1971 (see The Rise of Indira Gandhi, ch. 1). In March 1971, Pakistan's armed forces launched a fierce campaign to suppress the resistance movement that had emerged but encountered unexpected mass defections among East Pakistani soldiers and police. The Pakistani forces regrouped and reasserted their authority over most of East Pakistan by May.
As a result of these military actions, thousands of East Pakistanis died at the hands of the Pakistani army. Resistance fighters and nearly 10 million refugees fled to sanctuary in West Bengal, the adjacent Indian state. By midsummer, the Indian leadership, in the absence of a political solution to the East Pakistan crisis, had fashioned a strategy designed to assist the establishment of the independent nation of Bangladesh. As part of this strategy, in August 1971, India signed a twenty-year Treaty of Peace, Friendship, and Cooperation with the Soviet Union. One of the treaty's clauses implied that each nation was expected to come to the assistance of the other in the event of a threat to national security such as that occurring in the 1965 war with Pakistan. Simultaneously, India organized, trained, and provided sanctuary to the Mukti Bahini (meaning Liberation Force in Bengali), the East Pakistani armed resistance fighters.
Unable to deter India's activities in the eastern sector, on December 3, 1971, Pakistan launched an air attack in the western sector on a number of Indian airfields, including Ambala in Haryana, Amritsar in Punjab, and Udhampur in Jammu and Kashmir. The attacks did not succeed in inflicting substantial damage. The Indian air force retaliated the next day and quickly achieved air superiority. On the ground, the strategy in the eastern sector marked a significant departure from previous Indian battle plans and tactics, which had emphasized set-piece battles and slow advances. The strategy adopted was a swift, three-pronged assault of nine infantry divisions with attached armored units and close air support that rapidly converged on Dhaka, the capital of East Pakistan. Lieutenant General Sagat Singh, who commanded the eighth, twenty-third, and fifty-seventh divisions, led the Indian thrust into East Pakistan. As these forces attacked Pakistani formations, the Indian air force rapidly destroyed the small air contingent in East Pakistan and put the Dhaka airfield out of commission. In the meantime, the Indian navy effectively blockaded East Pakistan. Dhaka fell to combined Indian and Mukti Bahini forces on December 16, bringing a quick end to the war.
Action in the western sector was divided into four segments, from the cease-fire line in Jammu and Kashmir to the marshes of the Rann of Kutch in northwestern Gujarat. On the evening of December 3, the Pakistani army launched ground operations in Kashmir and Punjab. It also started an armored operation in Rajasthan. In Kashmir, the operations were concentrated on two key points, Punch and Chhamb. The Chhamb area witnessed a particularly intense battle where the Pakistanis forced the Indians to withdraw from their positions. In other parts of Kashmir, the Indians made some small gains along the cease-fire line. The major Indian counteroffensive came in the Sialkot-Shakargarh area south and west of Chhamb. There, two Pakistani tank regiments, equipped with United States-made Patton tanks, confronted the Indian First Armored Corps, which had British Centurion tanks. In what proved to be the largest tank battle of the war, both sides suffered considerable casualties.
Though the Indian conduct of the land war on the western front was somewhat timid, the role of the Indian air force was both extensive and daring. During the fourteen-day war, the air force's Western Command conducted some 4,000 sorties. There was little retaliation by Pakistan's air force, partly because of the paucity of non-Bengali technical personnel. Additionally, this lack of retaliation reflected the deliberate decision of the Pakistan Air Force headquarters to conserve its forces because of heavy losses incurred in the early days of the war.
The Chinese have two major claims on what India deems its own territory. One claim, in the western sector, is on Aksai Chin in the northeastern section of Ladakh District in Jammu and Kashmir. The other claim is in the eastern sector over a region included in the British-designated North-East Frontier Agency, the disputed part of which India renamed Arunachal Pradesh and made a state. In the fight over these areas, the well-trained and well-armed troops of the Chinese People's Liberation Army overpowered the ill-equipped Indian troops, who had not been properly acclimatized to fighting at high altitudes.
Unable to reach political accommodation on disputed territory along the 3,225-kilometer-long Himalayan border, the Chinese attacked India on October 20, 1962. At the time, nine divisions from the eastern and western commands were deployed along the Himalayan border with China. None of these divisions was up to its full troop strength, and all were short of artillery, tanks, equipment, and even adequate articles of clothing.
In Ladakh the Chinese attacked south of the Karakoram Pass at the northwest end of the Aksai Chin Plateau and in the Pangong Lake area about 160 kilometers to the southeast. The defending Indian forces were easily ejected from their posts in the area of the Karakoram Pass and from most posts near Pangong Lake. However, they put up spirited resistance at the key posts of Daulat Beg Oldi (near the entrance to the pass) and Chushul (located immediately south of Pangong Lake and at the head of the vital supply road to Leh, a major town and location of an air force base in Ladakh). Other Chinese forces attacked near Demchok (about 160 kilometers southeast of Chusul) and rapidly overran the Demchok and the Jara La posts.
In the eastern sector, in Assam, the Chinese forces advanced easily despite Indian efforts at resistance. On the first day of the fighting, Indian forces stationed at the Tsang Le post on the northern side of the Namka Chu, the Khinzemane post, and near Dhola were overrun. On the western side of the North-East Frontier Agency, Tsang Dar fell on October 22, Bum La on October 23, and Tawang, the headquarters of the Seventh Infantry Brigade, on October 24. The Chinese made an offer to negotiate on October 24. The Indian government promptly rejected this offer.
With a lull in the fighting, the Indian military desperately sought to regroup its forces. Specifically, the army attempted to strengthen its defensive positions in the North-East Frontier Agency and Ladakh and to prepare against possible Chinese attacks through Sikkim and Bhutan. Army units were moved from Calcutta, Bihar, Nagaland, and Punjab to guard the northern frontiers of West Bengal and Assam. Three brigades were hastily positioned in the western part of the North-East Frontier Agency, and two other brigades were moved into Sikkim and near the West Bengal border with Bhutan to face the Chinese. Light Stuart tanks were drawn from the Eastern Command headquarters at Calcutta to bolster these deployments.
In the western sector, a divisional organization was established in Leh; several battalions of infantry, a battery of twenty-five-pounder guns, and two troops of AMX light tanks were airlifted into the Chushul area from Punjab. On November 4, the Indian military decided that the post at Daulat Beg Oldi was untenable, and its defenders were withdrawn over the 5,300-meter-high Sasar Brangsa Pass to a more defensible position.
The reinforcements and redeployments in Ladakh proved sufficient to defend the Chushul perimeter despite repeated Chinese attacks. However, the more remote posts at Rezang La and Gurung Hill and the four posts at Spanggur Lake area fell to the Chinese.
In the North-East Frontier Agency, the situation proved to be quite different. Indian forces counterattacked on November 13 and captured a hill northwest of the town of Walong. Concerted Chinese attacks dislodged them from this hard-won position, and the nearby garrison had to retreat down the Lohit Valley.
In another important section of the eastern sector, the Kameng Frontier Division, six Chinese brigades attacked across the Tawang Chu near Jang and advanced some sixteen kilometers to the southeast to attack Indian positions at Nurang, near Se La, on November 17. Despite the Indian attempt to regroup their forces at Se La, the Chinese continued their onslaught, wiping out virtually all Indian resistance in Kameng. By November 18, the Chinese had penetrated close to the outskirts of Tezpur, Assam, a major frontier town nearly fifty kilometers from the Assam-North-East Frontier Agency border.
The Chinese did not advance farther and on November 21 declared a unilateral cease-fire. They had accomplished all of their territorial objectives, and any attempt to press farther into the plains of Assam would have stretched their logistical capabilities and their lines of communication to a breaking point. By the time the fighting stopped, each side had lost 500 troops.
The fighting war was over, but a new diplomatic war had begun. After more than thirty years of border tension and stalemate, high-level bilateral talks were held in New Delhi starting in February 1994 to foster "confidence-building measures" between the defense forces of India and China, and a new period of better relations began (see China, ch. 9).
Data as of September 1995