As part of a crackdown on illegal immigrants employed, authorities in Britain are raiding several businesses, including Indian, Bangladeshi, Pakistani, Sri Lankan and Chinese restaurants, across the country.
Per day around 40 illegal immigrants are being arrested as enforcement squads also target restaurants, petrol stations and car washes.
According to a report by the Daily Telegraph, many of the restaurants are guilty of employing illegal workers including those of Bangladeshi and Pakistani origin as well.
UK home office figures show outstanding fines of more than 1 million pounds on Indian, Bangladeshi, Pakistani and Sri Lankan restaurants and almost £500,000 on Chinese restaurants and takeaways after illegal immigrants were discovered working there.
Among those detained by immigration enforcement teams are visitors who have overstayed their visas and migrants who have been smuggled into Britain.
The latest figures show that the number of arrests for illegal working has doubled over the past four years, rising from about 20 a day in 2010 to 40 a day last year.
Overall the number of arrests has almost doubled since 2010 to 14,338 last year, according to Home office data released under freedom of information laws.
Any business found to have employed a worker without conducting the proper pre-employment checks can be hit with a civil penalty of up to 20,000 pounds per worker.
Statistics show that arrests fell from 7,920 in 2010 to 7,792 in 2011, then increased to 9,269 in 2012 and jumped to 15,098 in 2013.