"This is a great day for families. This is the day families come together to celebrate the memory of Ambika."

The British Prime Minister also stated that the Queen has made Lord Paul a member of the Privy Council and "he will be known as the Right Honourable Lord Paul."

Foreign Secretary David Miliband, Secretary of State for Business, Lord Peter Mandelson, Secretary of State for Energy Ed Miliband, Secretary of State for International Development Douglas Alexander, leader of the House of Lords Baroness Royall, Attorney General Baroness Scotland, Chief whip of Commons, Nick Brown, Minister of State, Foreign and Commonwealth Office looking after India, Lord Malloch-Brown were among those present on the occasion.

Former minister Keith Vaz, Labour MP, Minister of State for Transport Sadiq Khan, Sri Lankan High Commissioner Justice Nihal Singhe and Deputy High Commissioner of India to the UK, Asoke Mukherjee also attended the function.