Which one of the following statemetns is not correct?

• A. Alauddin Khalji detached politics from Religion.
• B. Mohd Bin Tughlaq introduced 'Iqta' system in Delhi Sultanate
• C. Frioz Shah Tughlaq Collected 'Jizya' even from the Brahmans.
• D. The famous Persian festival 'Nauroz' was introduced at Delhi Sultanate Durbar by Balban.