Understanding Bhakti Saints in the Brahmaputra Valley

The question asks about a prominent Bhakti saint who was active in the Brahmaputra valley and the region of Cooch-Bihar during the medieval period.

The Bhakti movement was a significant religious and social reform movement in medieval India that emphasized devotion (bhakti) to a personal God. Various saints and reformers spread this message across different regions of the subcontinent.

Identifying the Saint for Brahmaputra Valley and Cooch-Bihar

Let's look at the options provided:

• Raidas: Also known as Ravidas, he was a prominent saint from North India, associated with the Bhakti movement in the region around Varanasi.
• Panna: While there might be figures named Panna, none are widely recognized as a central, prominent Bhakti saint of the Brahmaputra valley or Cooch-Bihar during the medieval period in the same vein as other listed figures.
• Chaitanya: Sri Chaitanya Mahaprabhu was a major saint from Bengal, the founder of Gaudiya Vaishnavism. His influence was primarily centered in Bengal and Odisha.
• Sankardeva: Srimanta Sankardeva was a towering figure in the cultural and religious history of Assam, which is part of the Brahmaputra valley. He founded the Eka Sarana Dharma tradition and was highly influential in unifying the Assamese society and spreading Vaishnavism in the region, including parts of Cooch-Bihar.

Based on historical evidence, Srimanta Sankardeva is widely recognized as the most prominent Bhakti saint in the Brahmaputra valley and Cooch-Bihar during the medieval era. His teachings and institutions (like Naamghars) had a lasting impact on the region.

Conclusion

Considering the areas mentioned - the Brahmaputra valley and Cooch-Bihar - the most fitting answer for a prominent medieval Bhakti saint is Sankardeva.

Therefore, the saint who was prominent in the Brahmaputra valley and Cooch-Bihar during the medieval times was Sankardeva.