Which ruler of Delhi Sultanate is known as “Lakh Baksh”?

Which Ruler of Delhi Sultanate declared himself as "Khalifa"?

Who was the last ruler of the Tughluq dynasty of the Delhi Sultanate?

Which period is called the era of “the rule of the Forty” in the history of Delhi Sultanate age?

Which dynasty of Delhi Sultanate ruled for the shortest period?

Which Delhi Sultan is known for adopting the 'blood and iron' policy?