McDowell's No.1 is an Indian brand of spirits manufactured by United Spirits Limited (USL), a subsidiary of Diageo. It is USL's flagship brand and the largest umbrella spirits brand in the world, comprising three categories – whisky, brandy, and rum (under the name McDowell's No.1 Celebration). The brand also has bottled water and soda. The brand began with the launch of McDowell's No.1 Brandy in 1963–64. The brand's slogan is Mera No.1 (My No.1).