The iqtadari system played a crucial role in maintaining administrative efficiency in the medieval period. This system was prevalent during the Delhi Sultanate and the Mughal Empire in the Indian subcontinent. It was a land revenue system that enabled the efficient collection of taxes and ensured the smooth functioning of the administration. The iqtadari system had several key features that contributed to its effectiveness in maintaining administrative efficiency.

1. Decentralized Administration:
The iqtadari system involved the delegation of administrative and financial powers to local officers known as iqtadars. These iqtadars were responsible for the collection of taxes, maintenance of law and order, and the overall administration of their respective territories. This decentralized administration allowed for efficient governance at the local level, as the iqtadars had a better understanding of the needs and issues of their regions.

2. Revenue Collection:
One of the primary functions of the iqtadars was the collection of revenue. They were entrusted with the task of collecting taxes, such as the land revenue (kharaj) and the agricultural tax (ushr). The iqtadars were well-versed in the local agricultural practices, landholding patterns, and productivity levels. This knowledge enabled them to assess and collect taxes effectively, ensuring a steady flow of revenue for the state.

3. Accountability:
The iqtadari system also emphasized accountability. The iqtadars had to maintain detailed records of revenue collection, expenditure, and the overall administration of their territories. They were required to submit regular reports to the central authority, providing updates on the economic and administrative conditions of their regions. This system of checks and balances ensured that the iqtadars remained accountable for their actions, thereby reducing the chances of corruption and inefficiency.

4. Incentives and Rewards:
To encourage administrative efficiency, the iqtadars were provided with incentives and rewards for their performance. Those who met or exceeded revenue targets were often granted additional territories or given promotions in the administrative hierarchy. This system of rewards motivated the iqtadars to work diligently and efficiently, resulting in improved administrative performance.

5. Local Participation:
The iqtadari system also fostered local participation in the administration. The iqtadars were usually appointed from the local elites or influential families of the region. This ensured that the iqtadars had a better understanding of the local customs, traditions, and socio-economic conditions. Their close connection with the local population enabled them to address their grievances effectively and maintain social harmony, further contributing to administrative efficiency.

In conclusion, the iqtadari system played a significant role in maintaining administrative efficiency during the medieval period. Its decentralized nature, emphasis on revenue collection, accountability, incentives, and local participation all contributed to its effectiveness. The iqtadari system ensured efficient governance at the local level and facilitated the smooth functioning of the administration.