Within a few months of his accession, Jahāngīr had to deal with a rebellion led by his eldest son, Khusraw, who was reportedly supported by, among others, the Sikh Guru Arjun. Khusraw was defeated at Lahore and was brought in chains before the emperor. The subsequent execution of the Sikh Guru permanently estranged the Sikhs from the Mughals.
Khusraw’s rebellion led to a few more risings, which were suppressed without much difficulty. Shah ʿAbbās I of Iran, taking advantage of the unrest, besieged the fort of Kandahār (1606) but abandoned the attack when Jahāngīr promptly sent an army against him.
Loss of Kandahār
In 1622 Shah ʿAbbās again attacked Kandahār, and Prince Khurram (later Shah Jahān) was directed to relieve that fortress. However, the prince was planning a rebellion against his father and failed to take effective action. The fortress fell after a 45-day siege. Shah ʿAbbās justified its capture on the plea that it belonged to Iran. Jahāngīr accused the shah of treachery and sent forces to recover the fortress. This effort failed, owing to Shah Jahān’s rebellion and the illness and death of Jahāngīr himself. The loss of Kandahār was a grievous blow to the prestige of the empire. Jahāngīr, however, commanded full control over Kabul, having reinforced it now by inducting the Afghans under Khan Jahān Lodī into the Mughal nobility. Khan Jahān had close connections with the tribesmen in the northwestern frontiers.
Submission of Mewar
Jahāngīr’s most significant political achievement was the cessation of the Mughal-Mewar conflict, following three consecutive campaigns and his own arrival in Ajmer in 1613. Prince Khurram was given the supreme command of the army (1613), and Jahāngīr marched to be near the scene of action. The Rana Amar Singh then initiated negotiations (1615). He recognized Jahāngīr as his suzerain, and all his territory in Mughal possession was restored, including Chitor—although it could not be fortified. Amar Singh was not obliged to attend the imperial court, but his son was to represent him; nor was he required to enter into a matrimonial alliance with the Mughal royal family. Further, the Rajput rulers of Kangra, Kishtwar (in Kashmir), Navanagar, and Kutch (Kachchh; in western India) accepted the Mughal supremacy. Bir Singh Bundela was given a high rank, and a Bundela princess entered the Mughal harem. Also significant was the subjugation of the last Afghan domains in eastern Bengal (1612) and Orissa (1617).
Developments in the Deccan
Toward the last years of Akbar’s reign, the Niẓām Shāhīs of Ahmadnagar in the Deccan had engaged the attention of the emperor considerably. The main objective of his intervention in Ahmadnagar was to gain Berar, which had been recently acquired by Ahmadnagar from Khandesh, and Balaghat, which had been a bone of contention between Ahmadnagar and Gujarat. By 1596 Berar was conquered and Ahmadnagar had accepted Mughal suzerainty. However, the issue of a clearly defined frontier could not be resolved, and Mughal attacks continued. Under Jahāngīr the rise of Malik ʿAmbār, a Habshi (Abyssinian) general of unusual ability, at the Ahmadnagar court and his alliance with the ʿĀdil Shāhīs of Bijapur cemented a united front of the Deccan sultanates and initially forced the Mughals to retreat.
At this time the Marathas also had emerged as a force in the Deccan. Jahāngīr appreciated their importance and encouraged many Marathas to defect to his side (1615). Later, two successive Mughal victories against the combined Deccani armies (1618 and 1620) restrained the Habshi general. However, the Deccan expedition remained unfinished as a result of the rise to power of the emperor’s favourite queen, Nūr Jahān, and her relatives and associates. The queen’s alleged efforts to secure the prince of her choice as successor to the ailing emperor resulted in the rebellion of Prince Khurram in 1622 and later of Mahābat Khan, the queen’s principal ally, who had been deputed to subdue the prince.
Rebellion of Khurram (Shah Jahān)
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After failing to take Fatehpur Sikri in April 1623, Khurram retreated to the Deccan, then to Bengal, and from Bengal back again to the Deccan, pursued all the while by an imperial force under Mahābat Khan. His plan to seize Bihar, Ayodhya, Allahabad, and even Agra failed. At last Khurram submitted to his father unconditionally (1626). He was forgiven and appointed governor of Balaghat, but the three-year-old rebellion had caused a considerable loss of men and money.
Mahābat Khan’s coup
Immediately upon the conclusion of peace with Khurram, the imperious queen decided to punish Mahābat Khan for his refusal to take orders from anyone but Jahāngīr. She ordered Mahābat Khan to Bengal and framed charges of disloyalty and disobedience against him. Instead of complying, he proceeded to the Punjab, where the emperor was encamped. Jahāngīr refused to see him. Mahābat Khan placed both the emperor and the queen under surveillance, but he was finally overcome. The ordeal greatly impaired the emperor’s health, and he died in November 1627.
On his accession, Khurram assumed the title Shah Jahān (ruled 1628–58). Shahryār, his younger and only surviving brother, had contested the throne but was soon blinded and imprisoned. Under Shah Jahān’s instructions, his father-in-law, Āṣaf Khan, slew all other royal princes, the potential rivals for the throne. Āṣaf Khan was appointed prime minister, and Nūr Jahān was given an adequate pension.
The Deccan problem
Shah Jahān’s reign was marred by a few rebellions, the first of which was that of Khan Jahān Lodī, governor of the Deccan. Khan Jahān was recalled to court after failing to recover Balaghat from Ahmadnagar. However, he rose in rebellion and fled back to the Deccan. Shah Jahān followed, and in December 1629 he defeated Khan Jahān and drove him to the north, ultimately overtaking and killing him in a skirmish at Shihonda (January 1631).
The next rebellion was led by Jujhar Singh, a Hindu chief of Orchha, in Bundelkhand, who commanded the crucial passage to the Deccan. Jujhar was compelled to submit after his kinsman Bharat Singh defected and joined the Mughals. His refusal to comply with subsequent conditions led, after a protracted conflict, to his defeat and murder (1634). Unrest in the region persisted.
The chronic volatility of the Deccan prompted Shah Jahān to seek a comprehensive solution. His first step was to offer a military alliance to Bijapur, with the objective of partitioning troublesome Ahmadnagar. The result was both the total annihilation of the province and the accord of 1636, by which Bijapur was granted one-third of its southern territories. The accord reconciled the Deccan states to a pervasive Mughal presence in the Deccan. Bijapur agreed not to interfere with Golconda, which became a tacit ally of the Mughals. The treaty limited further Mughal advance in the Deccan and gave Bijapur and Golconda respite to conquer the warring Hindu principalities in the south. Within a span of a dozen years, Bijapuri and Golcondan armies overran and annexed a vast and prosperous tract beyond the Krishna River up to Thanjavur and including Karnataka. The Mughals, on the other hand, maneuvered to regain Kandahār (1638) and consolidated and extended their eastern position on the Assamese border (1639) and also in Bengal, where Shah Jahān had become involved in a dispute over Portuguese piracy and abduction of Mughal slaves. In 1648 he moved his capital from Agra to Delhi in an effort to consolidate his control over the northwestern provinces of the empire.
The Mughal attitude of benevolent neutrality toward the Deccan states began to change gradually after 1648, culminating in the invasion of Golconda and Bijapur in 1656 and 1657. A factor in this change was the inability of the Mughals to manage the financial affairs of the Deccan. Subsequently, Bijapur was compelled to surrender the Ahmadnagar areas it had received in 1636, and Golconda was to cede to the Mughals the rich and fertile tract on the Coromandel Coast as part of the jāgīr of Mīr Jumla, the famous Golconda vizier who had now joined the Mughal service. To a great extent Shah Jahān’s new policy in the Deccan also was propelled by commercial considerations. The entire area had acquired an added value because of the growing importance of the Coromandel Coast as the centre for the export of textiles and indigo.
Central Asian policy
Following in the footsteps of his predecessors, Shah Jahān hoped to conquer Samarkand, the original homeland of his ancestors. The brother of Emām Qulī, ruler of Samarkand, invaded Kabul and in 1639 captured Bamiyan, which gave offense to Shah Jahān. The emperor was on the lookout for an opportunity to move his army to the northwest borders. In 1646 he responded to the Uzbek ruler’s appeal for aid in settling an internal dispute by sending a huge army. The campaign cost the Mughals heavily. They suffered serious initial setbacks in Balkh, and, before they could recover fully, an alliance between the Uzbeks and the shah of Iran complicated the situation. Kandahār was again taken by Iran, even though the Mughals reinforced their hold over the other frontier towns.
War of succession
The events at the end of Shah Jahān’s reign did not augur well for the future of the empire. The emperor fell ill in September 1657, and rumours of his death spread. He executed a will bequeathing the empire to his eldest son, Dārā. His other sons, Shujāʿ, Aurangzeb, and Murād, who were grown men and governors of provinces, decided to contest the throne. From the war of succession in 1657–59 Aurangzeb emerged the sole victor. He then imprisoned his father in the Agra fort and declared himself emperor. (See Bahadurpur, Battle of; Samugarh, Battle of; Deorai, Battle of.)
Shah Jahān died a prisoner on Feb. 1, 1666, at the age of 74. He was, on the whole, a tolerant and enlightened ruler, patronizing scholars and poets of Sanskrit and Hindi as well as Persian. He systematized the administration, but he raised the government’s share of the gross produce of the soil. Fond of pomp and magnificence, he commissioned the casting of the famous Peacock Throne and erected many elegant buildings, including the dazzling Taj Mahal outside Agra, a tomb for his queen, Mumtāz Maḥal; his remains also are interred there.