Which of the following symptom is not a symptom observed by the use of Bhang, Charas, or Ganja?

Which of the following symptom is not a symptom observed by the use of Bhang, Charas, or Ganja? Correct Answer Constriction of pupils

Use of Bhang, Charas or Ganja leads to Dilation of pupils, Anxiety attacks, light-headedness, Pleasure, Redness of eyes, Increased appetite, Impaired depth perception, Impaired driving ability, slowing of time sense, Delayed response, etc.

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Narcotic drugs like bhang, ganja, charas are obtained from
Bhang and Ganja are 
Narcotic Drugs and Psychotropic Substances Act, 1985 defines "Charas" under:
From which part of the plant, Ganja is obtained?
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