Question: United Spirits Limited is a sibsidiary of a company headquartered where?

Context paragraphs:
Bagpiper (whisky): Bagpiper is a brand of Indian whisky, manufactured by United Spirits Ltd (USL), a subsidiary of the United Breweries Group, and launched in October 1976.  Bagpiper is sold in a square bottle with black and gold packaging design.  The company describes the whisky's flavour as "a light malty aroma and a hint of a smooth woody character, owing to the use of malt spirits specifically matured in pre-identified American oak casks".  It is similar to a blended whisky flavored with pot still malt whisky, but the neutral spirits used as base are distilled from molasses instead of grain.

McDowell's No.1: McDowell's No.1 previous Asare-Takyi distilleries is an Indian brand of spirits manufactured by United Spirits Limited (USL), a subsidiary of the 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).

Peter Scot: Peter Scot is a brand of Indian whisky, manufactured by Khoday India Limited (KIL), and launched in May 1968.  It is a flagship brand of the company and is manufactured at their Bangalore facility.  In "Khoday Distilleries Limited vs. The Scotch Whisky Association and Others", Peter Warren, an employee of Khoday, told the Supreme Court of India that the brand name Peter Scot was made up using his father's first name, "Peter", and his nationality, "Scot".  Another factor in choosing the name was due to the British explorer, Captain Scott, and his son Peter Scott.  Although the name "Scott" is spelt with two t's, it is phonetically the same as the word Scot.  The brand's main competitors are Pernod Ricard's Blenders Pride and United Spirits Limited's Royal Challenge.

Four Seasons Wines: Four Seasons Wines Limited is an Indian winery which was established in 2006,based in Bangalore, India.  It produces wines from grapes grown around Sahyadri valley in Maharashtra. It is a subsidiary of United Spirits Limited(USL) of the UB Group.  Four Seasons Wines Limited manufactures and markets wines in India.  It provides red, white, and rose wines.  Four Seasons Wines markets its wines under the two brand names Zinzi and Four Seasons.

Romanov (vodka): Romanov is a brand of vodka manufactured and marketed by United Spirits Limited which is a subsidiary of United Breweries Limited.  The brand derives its name from the Romanov dynasty which ruled the Russian Empire from 1612 to 1917.  It has a two star rating from International taste and Quality Institute.  It has a 42.8% alcohol by volume.  Sell of Romanov vodka in 2006 was 8.5 lakh cases.

McDowell's No.1 Celebration: McDowell's No.1 Celebration also known as Celebration Rum, is a rum manufactured by United Spirits Limited of India.  In 2009, it was among world's top 3 best selling rum brands.  In 2013 it overtook Old Monk as largest selling rum of India.  While in 2015 it also overtook Bacardi as world's largest selling rum brand.

Diageo: Diageo plc ( or ) is a British multinational alcoholic beverages company, with its headquarters in London, England.  It was the world's largest distiller until being overtaken by China's Kweichow Moutai on 9 April 2017.  It is also a major producer of beer.

United Spirits: United Spirits Limited, abbreviated to USL, is an Indian alcoholic beverages company, and the world's second-largest spirits company by volume.  It is a subsidiary of Diageo, and headquartered at UB Tower in Bangalore, Karnataka.  USL exports its products to over 37 countries.

Black Dog Scotch Whisky: Black Dog is a brand of Scotch Whisky that is distilled, aged and blended in Scotland, and bottled and marketed in India by United Spirits Limited (USL), a subsidiary of Diageo PLC.  In 2013, Black Dog was reported to be the world's fastest growing Scotch Whisky by volume, according to International Wine and Spirits Research (IWSR).  The whiskies used in the blend come from Scotland.  Black Dog Scotch Whisky sold in India is bottled in Parmori District Nasik in Maharashtra, by importing the undiluted spirits from Scotland, a strategy that avoids the import duties imposed on liquor imports to India that are bottled prior to import.  (Import duties may be as high as 150% for liquor bottled prior to import, but only about 30% when bottled in India.)  The brand's main competitors outside the Diageo family are Ballantine’s 12 YO Finest Blended Scotch, 100 Pipers 12 YO Blended Scotch, both owned by Pernod Ricard and two expressions from the Teachers' family, Teacher’s 50, a premium 12 year old Scotch whisky, blended and matured in Scotland but bottled in India starting August 1997 to celebrate India’s 50 years of independence and Teacher's Highland Cream, both owned by Beam Suntory.

Heaven Hill: Heaven Hill Distilleries, Inc. is an American, private family-owned and operated distillery company headquartered in Bardstown, Kentucky that produces and markets the Heaven Hill brand of Kentucky Straight Bourbon Whiskey and a variety of other distilled spirits.  Its current distillery facility, called the Heaven Hill Bernheim distillery, is in Louisville, Kentucky.  It is the seventh-largest alcohol supplier in the United States, the second-largest holder of bourbon whiskey inventory in the world, the largest independent family-owned and operated producer and marketer of distilled spirits in the United States, and the only large family-owned distillery company headquartered in Kentucky (not counting the Brown-Forman Corporation, which is publicly traded but more than two-thirds family-controlled, or the Sazerac Company, which is family-owned but headquartered in Louisiana).

Supporting paragraphs: United Spirits Diageo
Answer: London, England