Consider the following statements : 1. By passing the role of the Caliph, Balban

Consider the following statements : 

1. By passing the role of the Caliph, Balban called himself the ‘Shadow of God’ and removed the Caliph’s name from the Khutba and Sikka. 

2. To pacify the ulema, Mohammad-bin-Tughlaq secured an investiture from the Abbasid Taliph. 

3. Firoz Tughlaq secured the investiture twice from the caliph. 

4. Iltutmish was the first of the Sultans to procure a manour of ‘letter of investiture’ from the caliph. Which of these statements are correct? 

(a) All of these (b) 1, 2 and 3 (c) 1, 3 and 4 (d) 2, 3 and 4