According to Osho, bhang is insignificant - a symbol of seeking intoxication outside. He urges drinking God, the inner nectar (raso vai sah), available every moment, rather than relying on substances. True ecstasy is the soul's distillate discovered within; a Master only mirrors this possibility so you can turn inward yourself. Don't imitate or cling; recognize, then descend within and remain divinely inebriated without drugs.
Skip bhang and other drugs; the real, always-on joy is inside you, and a teacher just helps you see it so you can find it yourself.