After consolidating his power. Balban assumed the grand title of :

Correct option is C

After consolidating his power, Balban assumed the grand title of Zill-e-Ilaahi, meaning "Shadow of God". This title was part of his policy of emphasizing the divine right to rule and enforcing strict discipline and authority during his reign (1266–1287) as the Sultan of Delhi.

Information Booster:

1. Balban was a member of the Slave Dynasty and one of the most powerful rulers of the Delhi Sultanate.
2. His reign is notable for the introduction of the concept of divine kingship.
3. He enforced rigorous court etiquette, eliminating any form of disrespect to the monarchy.
4. Balban suppressed revolts by the Mewatis and other local chieftains to establish central authority.
5. His military campaigns were focused on defending the Sultanate against Mongol invasions.