The correct option is B khejri
In 1730, Amrita Devi, a Bishnoi woman along with more than 363 other Bishnois, died for the protection of a Khejri (Prosopis Cineraria) tree near Jodhpur in Rajasthan. The "Amrita Devi Bishnoi National Award for Wildlife Conservation" is instituted in the memory of Shri Amrita Devi Bishnoi.