The finest calligrapher at Akbar's court who was honoured with the title "Zarrin-qalam" was:

Muhammad Husayn

The correct answer is Option (3) → Muhammad Husayn

The finest calligrapher at Akbar's court who was honoured with the title "Zarrin-qalam" was Muhammad Husayn.

Muhammad Husayn of Kashmir (c.1575-1605) was one of the finest calligraphers at Akbar’s court. He was  honoured with the title “zarrin qalam” (golden pen) in recognition of the perfectly proportioned curvature of his letters.