कल्पान्तरे विश्वासटिप्पन्यः

trantravArttika - TW1, TW2 opines that only brAhmaNas are completely prohibited from alcohol, shUdras have no prohibitions at all & that kSatriyas are allowed to drink the alcohol named madhu (fruit wine) and are only prohibited from surA (liquor from rice and other grains such as barley).