The Kolkata Negroni is a bitter and aromatic cocktail that is popular among cocktail connoisseurs in Kolkata. It is made with equal parts of gin, Campari, and sweet vermouth. The cocktail is stirred with ice and strained into a glass, typically garnished with an orange twist. The Kolkata Negroni is a perfect choice for those who enjoy a complex and sophisticated cocktail with a bitter-sweet flavor profile.