In Alauddin Khalji's military reforms, what did dagh and chehra respectively denote?

Among the four alternatives, Horse branding and descriptive roll of soldiers alone satisfies the full historical condition. Dagh was the branding of cavalry horses, while chehra was the descriptive register of soldiers; together they checked substitution and false musters. This problem belongs to the institutional history of the Delhi Sultanate, where authority depended on mobile military elites, revenue assignments and close supervision from the capital. Administrative terms must be distinguished carefully because a department, an officer and a fiscal assignment performed different functions. The distractors need separate rejection: Cash salary and grain ration belongs to a different institution, context or chronology; Land survey and tax register does not perform the function described in the stem; and Fort inspection and weapon testing fails the required association. The wording of “In Alauddin Khalji's military reforms, what did dagh and chehra respectively denote?” is deliberately specific, so the candidate should isolate its operative clue before recalling names. A useful method is to construct a two-step link from the tested term to its function and then from that function to the relevant ruler, text, monument or region. The fact is significant beyond one MCQ because it reveals how medieval institutions worked in practice and how historians classify the surviving evidence. — Horse branding and descriptive roll of soldiers”, but also remember the factual reason stated above.