Describe the contributions of the Kakatīya dynasty.

The Kakatīyas ruled present-day Telangana and Andhra Pradesh in the 12th century, with a capital at Orugallu or Warangal. They built a fort with impressive stone toraṇas. They patronised Telugu literature and built the Thousand Pillar temple at Hanamkonda. They also promoted village self-governance and developed efficient revenue and irrigation systems.