Haram
Alcoholic intoxicants are prohibited in Islam. Khamr is the Arabic word for alcoholic drinks that cause intoxication. The Prophet declared that the prohibition was not only placed on wine, but the prohibition also included beer and other alcoholic beverages that intoxicate a person. The Prophet also forbade the trading of these intoxicants, even with non-Muslims. It is not permissible for a Muslim to import or export alcoholic beverages, or to work in or own a place that sells these intoxicants. Giving intoxicants as a gift is also considered haram.
Alauddin Khalji
Although Islam bans alcoholic drinks, drinking was common among the Muslim royals and nobles of the Delhi Sultanate in the 13th century, and Alauddin himself was a heavy drinker. As part of his measures to prevent rebellions, Alauddin imposed prohibition, because he believed that the rampant use of alcoholic drinks enabled people to assemble, lose their senses and think of rebellion. According to Isami, Alauddin banned alcohol, after a noble condemned him for merrymaking when his subjects were suffering from a famine. However, this account appears to be hearsay.