The correct answer is Sonbarsa.
Sonbarsa was a feudatory state in the Indian state of Bihar. It was founded in the 16th century by Raja Man Singh, a descendant of the Tomar Rajputs. The state was known for its association with the poet Vidyapati, who was born in Sonbarsa in the 14th century. Vidyapati was a court poet of the Sen dynasty, and his poems are considered to be some of the finest examples of Maithili literature.
Tekari was a feudatory state in the Indian state of Madhya Pradesh. It was founded in the 17th century by Raja Pratap Singh, a descendant of the Bundela Rajputs. The state was known for its association with the poet Keshavdas, who was born in Tekari in the 16th century. Keshavdas was a court poet of the Mughal emperor Akbar, and his poems are considered to be some of the finest examples of Hindi literature.
Rajnagar was a feudatory state in the Indian state of Uttar Pradesh. It was founded in the 16th century by Raja Bir Singh Deo, a descendant of the Chandela Rajputs. The state was known for its association with the poet Surdas, who was born in Rajnagar in the 16th century. Surdas was a blind poet who is considered to be one of the greatest exponents of the Bhakti movement.
Ramgarh was a feudatory state in the Indian state of Jharkhand. It was founded in the 16th century by Raja Raghunath Rai, a descendant of the Oraon tribe. The state was known for its association with the poet Chandidas, who was born in Ramgarh in the 14th century. Chandidas was a Vaishnava poet who is considered to be one of the pioneers of the Bhakti movement.