ICSE Class 7 Answered

Although Balban had a strong army, he never left his capital to conquer new territories as he was sure that in his absence, the Mongols would invade the empire. To strengthen the defences of the empire, Balban built new forts at strategic locations and repaired the old ones. He also appointed his own sons as the governors of the frontier provinces. He reorganised his armies and strengthened the infantry and cavalry wings of his army.