Diners were tucking into their upmarket Indian lunch when the Ice agents slid through the restaurant’s back fence. Clad in stab vests, the 11-strong unit blocked off every entrance before moving in on their target: Mandira’s Kitchen. This wasn’t a scene from California or Texas. It happened near Guildford, England, among the rolling Surrey Hills. Before the Home Office’s immigration compliance and enforcement (Ice) officers stormed the restaurant in September, they came up with a codeword in the event they were attacked with any weapons that might be at hand in a kitchen. What they found were customers eating biryani and samosas in a converted barn decorated with plants and a rickshaw bicycle hanging from the ceiling. When they reached the kitchen, they found five junior members of staff cooking. The officers demanded to see their passports. “They didn’t explain. They didn’t ask for permission,” says the restaurant’s owner, Mandira Moitra Sarkar. That 11 officers could burst into her business with no warrant and question staff is “astounding”, she says. Moitra Sarkar was on holiday …