Which 15th-century proponent of Vaishnavism in Assam composed the "Kirtana-ghosha"?

```html The correct answer is - Shankaradeva Key Points Shankaradeva Shankaradeva was a 15th-16th century saint-scholar and a key proponent of Vaishnavism in Assam. He composed the "Kirtana-ghosha" , a compilation of devotional songs and verses that propagate the teachings of Vaishnavism. His works emphasize devotion to Lord Krishna and are central to the Neo-Vaishnavite movement in Assam. The "Kirtana-ghosha" is written in the Assamese language and serves as both a literary masterpiece and a religious text. Additional Information Shankaradeva's Contribution He established the Namghar (prayer halls), which are central to Assamese Vaishnavite worship. He introduced Ankiya Nat , a form of devotional theater, to spread religious teachings. His literary works include not only the "Kirtana-ghosha" but also other texts such as the "Bhakti Ratnavali" and "Naam Maalika". Vaishnavism in Assam The Neo-Vaishnavite movement aimed to promote monotheism and eliminate caste-based discrimination. Shankaradeva's teachings emphasized devotion (Bhakti) and rejected ritualistic practices. ```