Regional Sultanates of India

The Regional Sultanates of India were the independent Muslim kingdoms that existed in various regions of the Indian subcontinent from the 14th century to the 16th century. These kingdoms broke away from the Delhi Sultanate under the Tughluq dynasty, especially due to the weak reinforcement of the Sultans. The total number of kingdoms in this period varies, with the most common being ten; Kashmir, Madurai, Deccan, Sindh, Bengal, Khandesh, Jaunpur, Gujarat, Malwa and Multan. While some of the kingdoms faced Hindu reconquest, the majority of them were taken over by the Mughal emperors through invasion in the 16th century.

The weakening of the Delhi Sultanate stemmed from a series of ambitious but poorly executed policies under Muhammad bin Tughluq (r. 1325–1351), including the forced relocation of the capital to Daulatabad, the introduction and subsequent abandonment of token currency, punitive taxation in the Doab that triggered famines and revolts, and overambitious military campaigns that overstretched resources. These measures eroded central authority, provoked widespread provincial rebellions, and led to the de facto loss of southern territories even before his death in 1351. His successor, Firuz Shah Tughluq (r. 1351–1388), pursued a more conservative and religiously oriented administration, reviving the Iqta system in ways that strengthened local nobles at the expense of the centre, while largely abandoning efforts to recover lost provinces and focusing instead on internal consolidation and public works. This decentralisation, though stabilising in the short term, further diminished the sultanate's ability to enforce unity.

The sack of Delhi by Timur in December 1398 marked a catastrophic turning point. Amid a civil war between rival Tughluq claimants, Timur's forces defeated the Delhi army, subjected the city to a brutal multi-day massacre and plunder, and withdrew with vast loot, leaving the sultanate in ruins and its prestige irreparably damaged. The resulting power vacuum enabled provincial governors and ambitious local leaders to declare full sovereignty, giving rise to a constellation of independent Muslim-ruled sultanates across northern, eastern, western, and southern India. This period of regional autonomy, lasting roughly from the mid-14th to the late 16th century, represented both the fragmentation of the earlier imperial structure and a phase of vigorous local state-building, cultural patronage, and economic development, until most of these polities were progressively absorbed into the Mughal Empire under Babur, Humayun, and especially Akbar.