Churches also tolled their bells, after the Church of England sent out guidance to parishes, chapels and cathedrals across the country encouraging them to open for prayer or special services. Major sporting events, including football and cricket matches, have been postponed as a mark of respect.
King Charles III, Britain's new monarch who ascended to the throne on the death of his mother Queen Elizabeth II, has a strong connection with India and its age-old traditions of Yoga and Ayurveda.
Queen Elizabeth II, who died aged 96 on Thursday, was the first British monarch to accede to the throne after India's Independence from colonial rule in 1952 and admired the 'richness and diversity' of India where she made three State Visits over the course of her reign -- in 1961, 1983 and 1997.
"The Queen died peacefully at Balmoral this afternoon," Buckingham Palace announced in a statement on Thursday.
The death of the Queen is known in official circles in the United Kingdom as Operation London Bridge, the protocol for which has been triggered when Buckingham Palace announced the death of the 96-year-old monarch on Thursday evening.
Queen Elizabeth II made 3 State visits to India -- in 1961, 1983 and 1997.
The 96-year-old monarch has been suffering from age-related mobility issues and has cut down her travels, including appointing new Prime Minister Liz Truss in Scotland earlier this week.
Prime Minister Liz Truss has unveiled one of the United Kingdom's most diverse cabinets, with key frontline posts going to ethnic minority members of Parliament, including Indian-origin Suella Braverman as the home secretary.
The 42-year-old barrister, who until now served as the Attorney General in the Boris Johnson led government, was among the first contenders to throw her hat in the ring to replace Johnson as Tory leader and Prime Minister.
Conservative Party leader Liz Truss was on Tuesday formally appointed as Britain's new Prime Minister by Queen Elizabeth II, becoming the third female premier of the country.
The 47-year-old senior cabinet minister was widely expected to become the third female British Prime Minister after 170,000 online and postal votes cast by Tory members, ending Sunak's historic run as the first member of Parliament of Indian heritage to compete for the top job at 10 Downing Street.
Britain's Prime Minister-elect Liz Truss will spend Monday putting finishing touches to her new cabinet after being elected Conservative Party leader and is expected to unleash a complete shake up of outgoing leader Boris Johnson's top team.
Newly-elected Conservative Party leader and prime minister in waiting Liz Truss is among the senior British politicians known for championing deeper India-UK strategic and economic ties, describing them as a "sweet spot" of global trade dynamics.
If elected, 42-year-old Sunak will go on to make history as the first Prime Minister of the UK of Indian heritage.
The race to replace Boris Johnson as the Conservative Party leader and the British prime minister entered the final countdown stage on Friday, when voting officially closes for Tory members to choose between former chancellor Rishi Sunak or Foreign Secretary Liz Truss.
The Cabinet minister pulled out of the interview hours before it was to air on Tuesday evening, with her team saying she could no longer spare the time.
The United Kingdom's biggest aircraft carrier, HMS Prince of Wales, has broken down off the south coast of England after setting sail from Portsmouth Naval Base for the United States on what the Royal Navy has described as a 'landmark' aviation trial mission.
Britain's prime ministerial candidate Rishi Sunak has said he wants to change the UK-India relationship to make it a more two-way exchange that opens up easy access to UK students and companies in India.
The video shows the 42-year-old British Indian former minister interacting with voters and is also seen catching a quick power nap on a bench as a voiceover praises his efforts to "fight for every inch".
The survey also shows a majority in favour of ousted leader Boris Johnson, with 55 per cent saying that Tory MPs were wrong to effectively force him to resign and 40 per cent saying they were right.