challenge: What is located to the east of Grant Road railway station?
  
  A. Residential localities of Gamdevi, Raghav Wadi, and Shastri Hall
  B. The retail electronic market of Bombay along Lamington Road
  C. Radha Gopinath Temple [ISKCON] at Chowpatty
  D. Nana Chowk and the local vegetable market of Bhaji Gully
  Answer: 