Question: What Tata Group joint venture featured Xerxes Desai as it's first managing director?

Context paragraphs:
Tata Sky: Tata Sky is a direct broadcast satellite television provider in India, using MPEG-4 digital compression technology, transmitting using INSAT-4A and GSAT-10 satellite.  Incorporated in 2004, Tata Sky is a joint venture between the Tata Group, and 21st Century Fox.

Xerxes Desai: Xerxes Desai was the first managing director of Titan Company, an Indian watchmaking company, and played an instrumental role in laying the foundation of the company.

Tata Housing Development Company: Tata Housing Development Company (THDC) is a fully owned subsidiary of Tata Sons, a holding company of the Tata Group.  Established in the year 1984 by the late JRD Tata.  The company was revived in 2006 under the leadership of Brotin Banerjee, MD & CEO of Tata Housing Development Company Limited.  Since 2006 the company is developed into one of leading holistic real estate development company and has built many landmark projects across India.  Tata Housing pioneered the concept of low-cost housing aimed at economically weaker section of the society.  It has also pioneered the concept of sustainable green development with its first commercial project – Xylem in Bengaluru (Bengaluru's first sustainable IT park), the project was awarded Gold certification by LEED and since then each and every project of Tata Housing, from low-cost housing and affordable housing to ultra premium luxury projects, all are sustainable green developments duly certified by Indian Green Building Council.  The company currently has 45 million sq.ft under various stages of development.  In 2010, Tata Housing launched – Tata Value Homes, its 100% subsidiary to cater to low-cost and affordable housing in India in the price range of Rs. 4–10 Lacs, with the vision of bridging the huge shortfall of over 26 million households in India.

Rajesh Gopinathan: Rajesh Gopinathan (born 1971) is the CEO and Managing Director of Tata Consultancy Services (TCS).  Rajesh took over as the CEO of TCS on February 21, 2017, prior to which he was CFO and Vice President of TCS.  Born in 1971, Rajesh is one of the youngest CEOs of the Tata Group.

Ratanji Dadabhoy Tata: Ratanji Dadabhoy Tata (R.D. Tata, 1856–1926) was an Indian businessman who played a pivotal role in the growth of the Tata Group in India.  He was the first cousin of Jamsetji Tata, a pioneering industrialist of India and the Founder of Tata Sons.  He was one of the partners in Tata Sons founded by Jamshedji Tata.  Ratanji is the father of J. R. D. Tata.

Titan Company: Titan Company Limited (earlier known as Titan Industries Limited) is an Indian luxury goods company.  It is a joint venture between the Tata Group and the Tamil Nadu Industrial Development Corporation (TIDCO).

TATA AIG: Tata AIG General Insurance Company Limited (Now Called TATA AIA) is an Indian general insurance company, and a joint venture between the Tata Group and American International Group (AIG).  Tata Group holds 74 per cent stake in the insurance venture with AIG holding the balance 26 percent.  Tata AIG General Insurance Company, which started its operations in India on 22 January 2001, provides insurance to individuals and corporates.  It offers a range of general insurance products including insurance for automobile, home, personal accident, travel, energy, marine, property and casualty as well as several specialized financial lines.  The Company's products are available through various channels of distribution like agents, brokers, banks (through bank assurance tie ups) and direct channels like

Russi Mody: Russi Mody (17 January 1918 – 16 May 2014) was a Chairman and Managing Director of Tata Steel and a leading member of the Tata Group.

Natarajan Chandrasekaran: Natarajan Chandrasekaran (born 1963) is the chairman of Tata Sons.  Chandrasekaran took over as the CEO of Tata Consultancy Services (TCS) on November 6, 2009 prior to which he was COO and executive director of TCS.  Born in 1963, Chandra is one of the youngest CEOs within the Tata Group.  In January 2017, he was selected to become the next chairman of Tata Sons.  He assumed chairmanship on 21 February 2017 and soon after was announced the chairman of Tata Motors.  on July 3, he was appointed as chairman of Tata Global Beverages.  He is the first non Parsi and professional executive to head the Tata Group.

Srinath Narasimhan: Srinath Narasimhan (born July 8, 1962) is an Indian business executive.  He is the current Managing Director & Chief Executive Officer of Tata Teleservices, an Indian broadband and telecommunications service provider and part of the business conglomerate Tata Group.  Narasimhan joined the Tata Group in 1986, and has also served as the CEO of two other group companies, Tata Communications and Tata Internet Services.

Supporting paragraphs: Xerxes Desai Titan Company
Answer: Titan Company