Officers from the agency and Police Scotland visited the Essence of India in Ullapool, the Taste of India in Kyleakin and the Prince of India in Portree.
At the Essence of India they arrested a 42-year-old who had entered the country illegally. Two men aged 42 and 57 were arrested at Taste of India after overstaying their visas.
At Prince of India officers arrested two men, aged 32 and 36, who had overstayed their visas while a 35- year-old had obtained leave to remain by deception.
All were transferred to immigration detention pending removal from the country apart from the 42-year-old from Taste of India who was placed on immigration bail.