This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: All India exam, Subject name: Forensic Medicine
Charas is 
Select and explain. 
A. Leaves of Cannabis Indica, B. Flowers of Cannabis Indica, C. Stem of Cannabis Indica, D. Resin exudate of Cannabis Indica
D: Resin exudate of Cannabis Indica
Answer: D: Resin exudate of Cannabis Indica 
Explanation: Resin exudates of cannabis Indica Ref ; Narayana reddy 33rd ed.