Question: When was the former Chief Excecutive of aan Indian multinational IT services company that is a subsidiary of HCL Enterprise born?

Context paragraphs:
HCL Axon: HCL AXON is a UK-based business transformation consultancy which sells its services to customers using SAP and Oracle as their Enterprise Resource Planning system modeling tools.  Previously listed on the London Stock Exchange, and a FTSE 250 Index constituent, the company has been a subsidiary of Indian outsourcing firm HCL Technologies since December 2008, after the reverse merger of Axon Group plc and HCL SAP practice.

HCL Technologies: HCL Technologies Limited is an Indian multinational IT services company, headquartered in Noida, Uttar Pradesh, India.  It is a subsidiary of HCL Enterprise.  Originally a research and development division of HCL, it emerged as an independent company in 1991 when HCL ventured into the software services business.  HCL Technologies (the abbreviation of Hindustan Computers Limited) offers services including IT consulting, enterprise transformation, remote infrastructure management, engineering and R&D, and business process outsourcing (BPO).  HCL also provides services such as DRYiCE, Cybersecurity and Digital & Analytics.

State Bank of India: State Bank of India (SBI) is an Indian multinational, public sector banking and financial services company.  It is a government-owned corporation with its headquarters in Mumbai, Maharashtra.  On 1st April, 2017, State Bank of India, which is India's largest Bank merged with five of its Associate Banks (State Bank of Bikaner & Jaipur, State Bank of Hyderabad, State Bank of Mysore, State Bank of Patiala and State Bank of Travancore) and Bharatiya Mahila Bank with itself.  This is the first ever large scale consolidation in the Indian Banking Industry.  With the merger, State Bank of India will enter the league of top 50 global banks with a balance sheet size of ₹33 trillion, 278,000 employees, 420 million customers, and more than 24,000 branches and 59,000 ATMs.  SBI's market share will increase to 22 percent from 17 per cent.  It has 198 offices in 37 countries; 301 correspondents in 72 countries.  The company is ranked 232nd on the "Fortune Global 500" list of the world's biggest corporations as of 2016.

Anant Gupta: Anant Gupta (born January 8, 1965) is Founder Chairman & CEO, TECHCELX, a first of its kind integrated business acceleration and investment firm focused on developing digital technology products & platforms and in enterprises being disrupted by technology.  He is also former President & Chief Executive Officer of HCL Technologies, a US $6.2 billion global Information Technology services company

Shyam Mardikar: Shyam Prabhakar Mardikar (born 23 March 1971) is The Chief Technology Officer - Mobile Networks at Bharti Airtel (India), an Indian multinational telecommunications services company, headquartered in New Delhi, India with operations in 20 countries.

HCL ISD: HCL Technologies Infrastructure Services Division (HCL ISD) is a global IT infrastructure management services company.  It is a line of business of HCL Technologies.

Bob Keiller: Robert Keiller CBE (born 29 January 1964) is a British businessman.  He is the former chief executive of Wood Group, a British multinational oil and gas services company headquartered in Aberdeen, Scotland.  In 2016, he became chairman of Scotland's national economic development agency, Scottish Enterprise.  He also runs a consultancy, AB15.

HCL Infosystems: HCL Infosystems Limited is an India-based distribution and information technology (IT) services and solutions company.  The Company operates through the segments, including Hardware Products and Solutions, Services, Distribution and Learning.  The Company's product portfolio includes IT and System Integration services, digitally enabled Learning and Career Development solutions, and Distribution of technology and mobility products.  The Company's Distribution business includes Consumer Distribution and Enterprise Distribution.  The Company's Services business includes Enterprise Services and Consumer Services.  The Company's services include data centre services, security services, cloud services and network services, among others.  The Company's solutions include System Integration services, National identity and authentication services, Infrastructure solutions and services, and Financial Inclusion.  The Company's HCL Learning offers DigiSchool, MyEduWorld and Career Development Centers.

Gopal Vittal: Gopal Vittal (born 1967) is an Indian business executive.  He is the chief executive officer (CEO) of Bharti Airtel (India) and (South Asia), an Indian multinational telecommunications services company with operations in 20 countries.

Shiv Nadar: Shiv Nadar (born 14 July 1945) is an Indian industrialist and philanthropist.  He is the founder and chairman of HCL and the Shiv Nadar Foundation.  Nadar founded HCL in the mid-1970s and transformed the IT hardware company into an IT enterprise over the next three decades by constantly reinventing his company's focus.  In 2008, Nadar was awarded Padma Bhushan for his efforts in the IT industry.  Nadar, nicknamed by friends as "Magus" (Old Persian for "wizard"), since the mid-1990s has focused his efforts on developing the educational system of India through the Shiv Nadar Foundation.

Supporting paragraphs: Anant Gupta HCL Technologies
Answer: January 8, 1965