Statement ii: Mohanam is an Audava-Audava raga, characterized by the use of 5 notes in both ascent and descent.Statement iii: Patnam Subramanya Iyer is credited with composing numerous renowned varnams in Carnatic music.\medskip Statements i and iv are factually inaccurate:
i. Adi Tala comprises 1 drutam (an 8-unit beat cycle), not 3 drutams.
iv. Annamacharya is not associated with Tillanas; this form was popularized by subsequent composers.
Therefore, the correct selection is option (A).