Question: Where is the company that Vinod Adani heads headquartered?

Context paragraphs:
Vinod Adani: Vinod Shantilal Shah Adani is an Indian businessman, elder brother of Gautam Adani, head of the Adani Group.

Infofree: Infofree.com is a subscription-based, software as a service system company based in Omaha, Nebraska that provides sales leads, email lists and CRM to businesses.  The company also offers a mobile application with mapping features.  The company was founded in 2011 by Vinod Gupta, who was also the founder of Salesgenie, InfoUSA and Infogroup.  It appeared in a top 500 list of fastest-growing companies in 2013.  Robert Smith is the president of Infofree.com.  Infofree.com is based in San Mateo, California and is headquartered at Omaha, Nebraska.

Adani Group: Adani Group is an Indian multinational conglomerate company headquartered in Ahmedabad, Gujarat, India.  Its diversified businesses include resources, logistics, agribusiness and energy sectors.  The Group is the largest port developer and operator in India with Mundra Port being a commercial port.  It owns Fortune, India’s largest edible oil brand through a joint venture with Wilmar International in Singapore.  The Flagship Company of the Adani group is "Adani Enterprises Limited".  In April 2014, it added the 4th unit of 660 MW at its Tiroda Power plant, making Adani power the largest private power producer of the country.  In 2015, Adani was ranked India's most trusted infrastructure brand by The Brand Trust Report 2015.

Nemak: Nemak, S.A.B. de C.V., known as Nemak, is a global automotive parts manufacturing company headquartered in García, in Greater Monterrey, Mexico.  The company manufactures a wide range of automotive parts and systems with primary focus on aluminum auto parts, mainly engine blocks, cylinder heads, and transmission components.  It is a Tier 1 supplier to major OEMs and is among the 60 largest auto industry suppliers worldwide.

ALFA (Mexico): Alfa S.A.B. de C.V., also known as Alfa or Alfa Group, is a Mexican multinational conglomerate headquartered in Monterrey, Mexico.  It is a diversified group of businesses, mainly industrial, that produces petrochemicals, aluminum auto components, and refrigerated foods.  It also participates in the extraction of oil and natural gas, and offers IT & telecom services.  It is the global leader in the production of engine blocks and cylinder heads for American and European automakers; it is one of the largest PET and PTA producers in North America; and it is also a leader in the distribution of refrigerated foods in Mexico.  In 2013, it was the seventh largest company of Mexico according to CNN Expansión.

Supporting paragraphs: Vinod Adani Adani Group
Answer: Ahmedabad, Gujarat, India