A press release by the household introduced the dying however gave no further particulars. Mr. Hinduja had been out of the general public eye for years due to well being situations associated to dementia.

Under Mr. Hinduja, the eldest of 4 brothers, the Hinduja Group operated as a tightly run household community with out exterior shareholders or in depth public disclosures of its enterprise portfolio, estimated at greater than $15 billion. The group’s wealth and affect, nonetheless, was evident by the high-profile connections solid by Mr. Hinduja and his household.

Before transferring to Britain within the Nineteen Seventies, Mr. Hinduja, extensively often known as S.P., constructed ties with the shah of Iran, Mohammad Reza Pahlavi, with companies that included dubbing Bollywood movies into Farsi. In the United States, Mr. Hinduja employed advisers reminiscent of Ted Sorensen, the previous speechwriter of President John F. Kennedy.

He constructed alliances in Britain with prime ministers, ambassadors and business envoys. He additionally was invited often to banquets hosted by Queen Elizabeth II as a neighborly gesture. (Mr. Hinduja, a vegetarian, introduced his personal meals made to his strict specs.) He made his few public appearances at occasions meant to burnish his philanthropic credentials: scholarships, constructing a Hindu temple in England and the opening in 1999 of the Hinduja Group-funded “Spirit Zone” on the Millennium Dome in Greenwich.

“The word ‘mysterious’ always seems to go with the Hinduja name,” Mr. Hinduja instructed Britain’s Daily Express in 1999. “Why? Because we are a private company. We don’t need a high profile.”

Yet Mr. Hinduja’s rigorously groomed public picture was at occasions shattered by investigations into alleged affect peddling. Mr. Hinduja and his brothers have been below scrutiny by Indian authorities after stories claiming bribes were paid in reference to a $1.3 billion sale of weapons by the Swedish arms maker Bofors in 1986. The Hinduja household was cleared of any wrongdoing in 2005 by a court docket in New Delhi.

Mr. Hinduja was additionally on the middle of a political tempest in Britain over his request for citizenship. A Cabinet member, Peter Mandelson, resigned in 2001 after disclosures that he had phoned the highest immigration official in 1998 concerning Mr. Hinduja’s software. Mandelson’s critics contended that he was doing a political favor after Mr. Hinduja’s pledge to assist with the Millennium Dome.

An unbiased inquiry discovered no evidence on improper acts by Mandelson or others. Mr. Hinduja, who obtained his passport in March 1999, threw a lavish social gathering that November together with his household for the Hindu competition Diwali. On the visitor checklist was British Prime Minister Tony Blair and his spouse, Cherie.

The Hinduja household topped the British “rich list” in 2022 with an estimated wealth of 28.4 billion kilos, or about $35 billion. That complete, compiled by the Sunday Times, included the worth of British property holdings. Their largest trophy is the household’s London hub, 13-16 Carlton House Terrace, 4 linked 18th century townhouses on a website that was as soon as house to King George IV earlier than he ascended to the throne in 1820.

The Forbes List most lately positioned the worth of the Hinduja household enterprise community at about $15.2 billion, which incorporates well being care, vitality and banking in Switzerland and India. Among its flagship acquisitions within the United States was the 1984 purchase of a part of the previous Gulf Oil conglomerate from Chevron, and a 2012 deal for Houghton International, a maker of metalworking fluids and different chemical compounds.

In 1987, Mr. Hinduja led efforts to take management of Ashok Leyland, which included remnants of the defunct British automaker British Leyland.

The household had lengthy proclaimed that its fortune was shared equally by all. “There is no ‘this is mine, this is yours,’” Mr. Hinduja mentioned in 1996. “We have kept one kitty.”

That professed unity was torn aside as Mr. Hinduja’s well being failed. His three brothers filed a authorized problem to Mr. Hinduja’s declare of sole possession of S.P. Hinduja Banque Privée, primarily based in Geneva. The swimsuit cites a 2014 letter, signed by Mr. Hinduja and his brothers, reaffirming the household mantra of joint possession of all belongings.

Mr. Hinduja’s daughter, Vinoo Hinduja, countered that the letter had no authorized authority. In a press release, the three brothers — Gopichand, Prakash and Ashok — mentioned they meant to battle for shared possession, which they known as “dearly held family values.”

Srichand Parmanand Hinduja was born Nov. 28, 1935, in Karachi in what’s now Pakistan however then was a part of the British-ruled subcontinent. His father had began with a store in Mumbai promoting jute and textiles and later expanded to Iran, buying and selling in meals, spices and different commodities from India.

Mr. Hinduja studied in Mumbai, finishing his diploma at R.D. National College in 1952, after the top of British rule and the 1947 partition that created Pakistan and post-colonial India. “I have experienced the loss of my homeland,” he mentioned.

He joined his father’s enterprise in Iran, serving to achieve the only real license to import Bollywood movies and dub them into Farsi. Shortly after their father’s dying in 1971, Mr. Hinduja and his brothers earned the admiration of Iran’s shah by arranging convoys carrying potatoes and onions throughout a meals scarcity. Pakistan didn’t enable Indian drivers to enter. The Hinduja brothers recruited South Koreans and others to drive the vans.

Mr. Hinduja and his brothers “had acquired a reputation for getting difficult things done and finding solutions where others scratched their heads,” wrote Dean Nelson, a former British international correspondent, in his 2017 book, “Jugaad Yatra: Exploring the Indian Art of Problem Solving.”

Mr. Hinduja moved to Britain amid the 1979 Islamic revolution that toppled the shah.

Mr. Hinduja’s spouse, Madhu Srichand Hinduja, died in January. In addition to his three brothers, survivors embrace daughters Vinoo and Shanu. His son, Dharam, died in 1992 after setting himself on hearth in a rented room in Mauritius, the place he was staying together with his spouse. British media reported that he eloped with Ninotchka Sargon, an Australian, after the household had organized one other marriage. Sargon was doused with lighter fluid by her husband however managed to flee, police stories mentioned.

Mr. Hinduja by no means publicly mentioned the obvious rifts together with his son over the wedding. “But to suffer makes you strong,” he mentioned in 1999 in a uncommon touch upon the dying. “It reminds you of what life can do.”