Concept:Amir Khusro was a Sufi poet and mystic who was a disciple of the Chishti saint Sheikh Nizamuddin Auliya.
Explanation:Amir Khusro lived under several Delhi Sultans and is known as the 'father of qawwali' and 'Parrot of India'.
He wrote the earliest printed dictionary, 'Khaliq-e-bari'.
His spiritual guide was Sheikh Nizamuddin Auliya, a leading Sufi saint of the Chishti order.
Nizamuddin Auliya emphasized love for God and humanity.
Other options: Moinuddin Chishti was his predecessor, not his direct master.
Hamiduddin Nagori and Kutubuddin Bakhtiyar were also Chishti saints but not Amir Khusro’s teacher.
Answer:B. Sheikh Nizamuddin Aulia