Which one of the following is NOT correctly matched (Ruler - State)

Which of the following pairs is correctly matched?

With reference to medieval Indian rulers, which one of the following statements is correct?

Which one of the following statements is not true about Balban?

Which one of the following is the correct chronological order of the Afghan rulers to the throne of Delhi?

Which one of the following is NOT the characteristics of 'Iqta System'?