question: Akash Mukesh Ambani (born 23 October 1991) is an Indian businessman, he's also the Chief of Strategy of which 4G service provider, and LTE mobile network operator in India?
answer: Jio Infocomm Limited
context: Title: EE Limited
  Passage: EE (formerly Everything Everywhere) is a British mobile network operator, Internet service provider and IPTV provider.  It is the largest mobile network operator in the UK, with around 30 million customers and the largest operator of 4G services in Europe.
  Title: Jio
  Passage: Reliance Jio Infocomm Limited, or Jio, is an LTE mobile network operator in India.  It is a wholly owned subsidiary of Reliance Industries headquartered in Navi Mumbai, Maharashtra that provides wireless 4G LTE service network (without 2G/3G based services) and is the only 'VoLTE-only' (Voice over LTE) operator in the country which lacks legacy network support of 2G and 3G, with coverage across all 22 telecom circles in India.
  Title: Idea Cellular
  Passage: Idea Cellular (commonly referred to as simply Idea, and stylised as ! dea) is an Indian mobile network operator based in Mumbai, Maharashtra.  Idea is a pan-India integrated GSM operator offering 2G, 3G and 4G mobile services.  Idea is India’s List of mobile network operators of India (largest along with merged entity Vodafone) mobile operator by subscriber base.  Idea has 193.96 million subscribers as of 31 July 2017.
  Title: Bharti Airtel
  Passage: Bharti Airtel Limited is an Indian global telecommunications services company based in New Delhi, India.  It operates in 18 countries across South Asia and Africa.  Airtel provides GSM, 3G and 4G LTE mobile services, fixed line broadband and voice services depending upon the country of operation.  Airtel is also testing VoLTE technology across five cities in India and should roll out the technology towards the end of 2017.  It is the largest mobile network operator in India and the third largest in the world with 400 million subscribers.  Airtel was named India's second most valuable brand in the first ever Brandz ranking by Millward Brown and WPP plc.
  Title: Akash Ambani
  Passage: Akash Mukesh Ambani (born 23 October 1991) is an Indian businessman.  He is also the chief of strategy of Jio, a 4G service provider.  He is the elder son of Mukesh Ambani, the chairman and managing director of Reliance Industries Limited (RIL) and Nita Ambani, founder of Reliance Foundation.
  Title: Isha Ambani
  Passage: Isha Mukesh Ambani (born 23 October 1991) is an Indian businesswoman.  She is the daughter of Mukesh Ambani and Nita Ambani.  After graduating in Psychology and South Asian studies from Yale University, in October 2014 she was inducted into the boards of directors of Jio and Reliance Retail.
  Title: Smartfren
  Passage: PT Smartfren Telecom Tbk (IDX:FREN) is one of the leading telecommunication service providers in Indonesia for retail and corporate segment.  Smartfren started to operate since year 2011 in Indonesia.  On year 2015, Smartfren made an innovation in Telecommunication Industry by launching the first 4G LTE advance service in Indonesia and became the leading 4G service provider that currently has the widest 4G LTE coverage in Indonesia.
  Title: HTC Evo 4G LTE
  Passage: The HTC Evo 4G LTE is an Android smartphone developed by HTC Corporation to be released exclusively by Sprint.  A successor to the previous HTC Evo 4G and 3D models, the Evo 4G LTE supports Sprint's LTE cellular network and its current-generation EV-DO network.  The Evo 4G LTE shares features with its GSM counterpart, the HTC One Xsuch as the same dual-core 1.5 GHz processor used by the One X's LTE variant, a 4.7-inch screen, and Android 4.1 with HTC's Sense 4.0 interface.  The Evo 4G LTE was also the first phone built with an all aluminum frame, leaving only a small plastic piece to allow the Sim and micro sd cards to be installed.
  Title: Spark New Zealand Mobile
  Passage: The XT Mobile Network is a UMTS and LTE mobile network run by Spark New Zealand (formerly Telecom New Zealand).  The network was initially built nationwide on WCDMA/UMTS 850 MHz, with 2100 MHz infill in major urban areas.  The UMTS network is HSPA+ enabled, with a maximum downlink transmission rate of 21.1 Mbit/s and an uplink rate of 5.2 Mbit/s attainable for capable hardware.  HSPA+ has a theoretical maximum of 56 Mbit/s download speed and 22 Mbit/s upload speed.  Then under Spark 4G LTE is being built out.  The network is not 2G capable, Telecom never operated a public GSM network.
citations: Akash Ambani Jio