The 'Kendri' instrument, often found among the Oraon and Munda communities, is academically debated as being a precursor to which classical instrument?

In which year was the Chutia Ram Temple (Radhaballabh Temple) in Ranchi built by King Raghunath Shah?

Assertion (A): The Tusu songs of the Panch Pargana region are often performed 'unaccompanied' (without instruments) by women. Reason (R): The songs are primarily choral narratives where the harmony of voices replaces the need for instrumentation during the ritual procession.