The blind poet Surdas sang the glory of Krishna in his famous collection of songs called:

Surdas, the 16th-century blind poet of the Bhakti movement, sang the glory of Lord Krishna in his famous collection of songs called "Sursagar" ("Ocean of Sur").

About the Sursagar:

• It is a large collection of devotional songs (padas) in Braj Bhasha, the dialect of the Mathura-Vrindavan region.
• It describes the childhood (bal-lila) and youth of Krishna in Braj, his playful activities, and his love with Radha and the gopis (cowherd women).
• It is famous for its tender descriptions of the child Krishna and his mother Yashoda, which are regarded as among the finest in Hindi literature.
• It also includes the "bhramar-geet", songs in which the gopis express their longing for Krishna after he leaves Braj for Mathura.
• The songs are meant to be sung, and are still popular in devotional music.

About Surdas:

• He lived in the 16th century (traditionally about 1478-1583).
• He is believed to have been blind, possibly from birth, according to tradition.
• He became a disciple of Vallabhacharya, and lived at Govardhan near Mathura, singing at the Shrinathji temple.
• He was one of the eight poets known as the "Ashtachhap".
• According to tradition, Akbar met him and admired his songs.

Other works attributed to him:

"Sur Saravali" and "Sahitya Lahari".

His place in Hindi literature:

• He is regarded as the "Sun" of Hindi literature (with Tulsidas as the "Moon"), according to a popular saying.
• He is one of the greatest poets of Krishna-bhakti (Saguna bhakti).

Other Bhakti works:

• "Ramcharitmanas": by Tulsidas, in Awadhi (devotion to Rama).
• "Bijak": the collection of Kabir's teachings.
• "Padmavat": by Malik Muhammad Jayasi, a Sufi poem.
• "Gita Govinda": by Jayadeva, in Sanskrit, on Radha and Krishna.
• Mirabai: wrote songs in Rajasthani and Braj in devotion to Krishna.

Why not the other options?

• ✗Ramcharitmanas, Bijak and Padmavat are works of other poets.