Question: Mukesh Ambani, whose family founded Observer Research Foundation, holds a 44.7% stake in which company?

Context paragraphs:
Isha Ambani: 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.

Observer Research Foundation: Observer Research Foundation (ORF) is an independent think tank based in India.  It began as a platform providing non-partisan research, where policymakers, journalists, civil society actors and academicians could come together to build pragmatic solutions in the liberal era.  The foundation’s strong faculty has only risen with three centres coming up in Mumbai, Chennai and Kolkata.  ORF was founded by the Ambani family and is currently endowed by Mukesh Ambani's Reliance Group.

Raisina Dialogue: The Raisina Dialogue is an annual conference held in New Delhi, envisioned to be India's flagship conference of geopolitics and geo-economics.  The conference, organized like the Shangri-La Dialogue in Singapore, is held jointly by Ministry of External Affairs, India and the Observer Research Foundation (ORF), a supposedly independent (heavily funded by corporates which also fund the BJP) think tank based in India.  Its second session was held in 2017 with theme of The New Normal : Multilateralism with multipolarity and before that from March 1 through 3rd in 2016.  The conference name comes from Raisina Hill, the elevation in New Delhi, which is the location of both the Government of India as well as the presidential palace of India, Rashtrapati Bhavan.  The design of the conference symbol is inspired from Rashtrapati Bhavan.

Mukesh Ambani: Mukesh Dhirubhai Ambani (born 19 April 1957) is an Indian business magnate who is the chairman, managing director and largest shareholder of Reliance Industries Limited (RIL), a Fortune Global 500 company and India's most valuable company by market value.  He holds a 44.7% stake in the company.  RIL deals mainly in refining, petrochemicals, and in the oil and gas sectors.  Reliance Retail Ltd., another subsidiary, is the largest retailer in India.

Jayanta Bandyopadhyay: Jayanta Bandyopadhyay (Bengali: জয়ন্ত বন্দোপাধ্যায়; b. 31 December 1947, Kolkata, India), is an observer, analyst and author.  He is now a Distinguished Fellow at the Observer Research Foundation, Kolkata.  He is a Former Professor of the Indian Institute of Management Calcutta.  An internationally renowned professional on public interest research and environmental policy, Bandyopadhyay has authored fourteen critically acclaimed books and monographs, in addition to 130 papers and articles.  He has delivered invited lectures in many parts of the world.

Nita Ambani: Nita Dalal Mukesh Ambani (born 1 November 1963) is the chairperson and founder of Reliance Foundation and a non-executive director of Reliance Industries.  She is a sport lover.  With a family fortune estimated in excess of US$20 billion, she is reportedly India's wealthiest woman.  She is married to Reliance Industries chairman and managing director Mukesh Ambani.  She is also an art collector and owner of the Mumbai Indians cricket team.  Nita is also Founder & Chairperson of Dhirubhai Ambani International School, Mumbai.

Akash Ambani: 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.

Dhirubhai Ambani International School: The Dhirubhai Ambani International School (DAIS) is a private co-educational LKG-12 day school in Mumbai, Maharashtra, India, built by Reliance Industries, named after the late patriarch of the conglomerate, Dhirubhai Ambani.  The school was established in 2003 and has been an IB World School since January 2003.  It offers the International Baccalaureate Program in its Diploma form.  Nita Ambani, wife of Mukesh Ambani is the chairperson of the school.

Raja Mohan: C. Raja Mohan is an Indian academic, journalist and foreign policy analyst.  He is the Director of Carnegie India.  Previously, he was a Distinguished Fellow at the Observer Research Foundation, New Delhi and Senior Fellow at the Centre for Policy Research, New Delhi, and prior to that, a professor at the S. Rajaratnam School of International Studies, Nanyang Technological University, Singapore and Professor of Centre for South, Central, Southeast Asian and Southwest Pacific Studies, School of International Studies at Jawaharlal Nehru University, New Delhi, India.  He was the Henry Alfred Kissinger Scholar in the John W. Kluge Center at the Library of Congress, Washington, D.C. during 2009-10.

Sudheendra Kulkarni: Sudheendra Kulkarni is an Indian politician and columnist and head of Observer Research Foundation.

Supporting paragraphs: Observer Research Foundation Mukesh Ambani
Answer: shareholder of Reliance Industries Limited