लय (Rhythm), रूपरेखा (design), गति (movement) और अभिव्यक्ति (expression) किस कला रूप के आवश्यक तत्व हैं?

Who among the following founded the Darpana Academy of Performing Arts in 1949?

Dramatic facial expressions, known as 'Navarasas', which highlight nine emotions for storytelling and are often performed with elaborate costumes and gestures, are a hallmark of which classical dance form?