Question

The Delhi Sultanate mobilised a large standing army in Delhi.why

Answer 1

The north-eastern part of Iran, Transoxiana was invaded by the Mongols in the year 1219. Soon after, they attacked the Delhi Sultanate. During the reign of Alauddin Khalji and the early reigning period of Muhammad Tughluq, there was an increase in the attack of the Delhi Sultanate. Consequently, they had to mobilize a large standing army in Delhi which posed a huge administrative challenge.
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Answer 2

the delhi sultanate mobilised a large standing army in delhi . why? is ur question right then the answer is

it was under the chauhans and the tomaras that delhi