Identify the disciple of Shaikh Nizamuddin Auliya with the help of the following information:
1. He was a great poet and musician of the medieval period.
2. He gave a unique form to Chishti sama.
3. He introduced qawwali.
Amir Khusrau, a disciple of Shaikh Nizamuddin Auliya, is renowned as a versatile genius of the medieval period. He is credited with introducing qawwali and enriching Indian music and poetry.
Identify the school of art with the help of the given image of Buddha.