The agreement will also see Indian tariffs cut on cosmetics and medical devices and will deliver a £4.8bn boost to the UK economy, according to the government.
It is also expected to increase bilateral trade by £25.5bn, UK GDP by £4.8bn and wages by £2bn each year in the long term.
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The news will be a welcome boost for the government following poor local election results, which saw Labour lose the Runcorn by-election and control of Doncaster Council to a resurgent Reform UK.
What will also be touted as a victory for Downing Street is the fact the government managed to strike a deal with India before the White House.
Speaking to reporters on Tuesday, Sir Keir Starmer hailed the “historic day for the United Kingdom and for India”.
“This is the biggest trade deal that we, the UK, have done since we left the EU,” the prime minister said.
“And it’s the most ambitious trade deal that India has ever done. And this will be measured in billions of pounds into our economy and jobs across the whole of the United Kingdom.
“So it is a really important, significant day. “
In a post on X, Indian Prime Minister Narendra Modi also welcomed the agreement as a “historic milestone” and added: “I look forward to welcoming PM Starmer to India soon.”
Negotiations for the deal relaunched in March after stalling under the Tory government over issues including trade standards and the relaxation of visa rules for Indian workers.
Overall, 90% of tariff lines will be reduced under the deal, with 85% of those becoming fully tariff-free within a decade.
Whisky and gin tariffs will be halved from 150% to 75% before falling to 40% by year ten of the deal, while automotive tariffs will go from more than 100% to 10% under a quota, the Department for Business and Trade (DBT) said.
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For Indian consumers, there will be reduced tariffs on cosmetics, aerospace, lamb, medical devices, salmon, electrical machinery, soft drinks, chocolate and biscuits.
Meanwhile, British shoppers could see cheaper prices and more choice on products including clothes, footwear, and food products including frozen prawns as the UK liberalises tariffs.
Business and Trade Secretary Jonathan Reynolds said: “By striking a new trade deal with the fastest-growing economy in the world, we are delivering billions for the UK economy and wages every year and unlocking growth in every corner of the country, from advanced manufacturing in the North East to whisky distilleries in Scotland.
“In times of global uncertainty, a pragmatic approach to global trade that provides businesses and consumers with stability is more important than ever.”
