Mumbai: Bollywood singer Mika Singh was on Wednesday detained at the international airport here for allegedly carrying Indian and foreign currency beyond permissible limit. Singh, who arrived here from Bangkok by a private airline around 7.30 pm, was intercepted by customs officials. During checking, he was found in possession of $12,000 and Rs 3 lakh in cash. As per Customs norms, Indian passengers coming from abroad and carrying over Rs 7,500 and $5,000 need to make declaration about the same upon arrival. The singer was unable to give satisfactory answers about the currency in his possession. (PTI)