"David Cameron, during his visit to India earlier this year, became the first serving Prime Minister to pay his respects at The Darbar Sahib (The Golden Temple)," the citation by the Sikh Awards 2013 said.
"At the memorial site in Jallianwala Bagh Gardens in Amritsar, Cameron laid a wreath at the memorial to the 1919 Amritsar massacre.
"Writing in the memorial book of condolence, Cameron described the massacre as 'a deeply shameful event in British history', adding "we must never forget what happened here," it said.
After receiving the award last night at 10 Downing Street, Cameron said: "It is a tremendous honour and privilege to receive the award. These awards are all about highlighting the very best of the Sikh faith both here in Britain and abroad.
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"It was such a privilege to visit the Golden Temple at Amritsar earlier this year and on that visit I learnt a huge amount about the values that are so important to Sikhs across the world - a devotion to God, earning an honest living, sharing your community."
Navdeep Singh, publisher of the Sikh Directory Ltd and founder of the Sikh Awards, presented the award to Cameron.
The British Prime Minister is scheduled to make his third visit to India in two years from November 14.
At the Sikh Awards held at the Hilton Hotel, India-based Harpal Singh Saggu received the Sikh Businessman Award. Saggu operates 'Synergy Group' which has an annual turnover of USD 200 million and over 4,000 employees.
In November 2012, Saggu revolutionised the construction industry across the globe with the launch of 'INSTACON', an ultrafast smart building solution manufactured in a controlled factory environment and shipped to a prepared building site for installation.