Q. What was the original name of the Mayurakshi River?
Answer: Motihari
Notes: The Mayurakshi River originates on Trikut hill near Deoghar in Jharkhand. At its source, it was known as Matihara, which corresponds closely to the option Motihari. The name stems from local terminology related to peacocks. The river flows through Jharkhand and West Bengal, joining the Hooghly River. There is no historical record of the names Jamunia or Tilave being associated with its initial source.