Explanation:

- Option 1: Khalji dynasty

- Ruled Delhi before the Tughluq dynasty.

- Known for rulers like Alauddin Khalji.

- Not directly after the Sayyid dynasty.

- Option 2: Lodi dynasty

- Came directly after the Sayyid dynasty.

- Founded by Bahlul Lodi.

- Marked the start of Afghan rule over Delhi.

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- Option 3: Rajput dynasty

- Comprised regional Hindu rulers.

- Did not establish a significant rule over Delhi post-Sayyid era.

- Option 4: Tughluq dynasty

- Ruled prior to the Sayyid dynasty.

- Known for rulers like Muhammad bin Tughluq.

- Not the dynasty that followed the Sayyid dynasty.