बिहार राज्य निम्नलिखित में से किनके लिए एक प्रमुख धार्मिक केंद्र है?

Which traditional practice during the Pandharpur Wari involves communal singing of devotional songs and organized procession groups?

In the Varkari tradition, what is the spiritual practice of continually chanting or repeating God's name known as?