challenge: In which districts of West Bengal is Patua Sangeet primarily heard today?
  
  A. Kolkata, Howrah, and Hooghly
  B. Darjeeling, Siliguri, and Cooch Behar
  C. Birbhum, West Midnapore, Bardhaman, and Murshidabad
  D. Purulia, Bankura, and Jalpaiguri
  Answer: 