Krishna is the defensible answer to this advanced Medieval History question. Mirabai's poetry voices intense personal devotion to Krishna, often rejecting royal expectations and social constraints in favour of the divine beloved. Region, language, chosen deity, institutional setting and attitude to ritual help distinguish one saint or order from another. The distractors need separate rejection: Shiva belongs to a different institution, context or chronology; Surya does not perform the function described in the stem; and Ganesha fails the required association. The wording of “Mirabai's surviving devotional songs are centred primarily on which deity?” is deliberately specific, so the candidate should isolate its operative clue before recalling names. The fact is significant beyond one MCQ because it reveals how medieval institutions worked in practice and how historians classify the surviving evidence. — Krishna”, but also remember the factual reason stated above.