kochi the cbi on tuesday submitted chargesheets against a sub inspector and two travel agents in a case related to the trafficking of unskilled labourers to saudi arabia through the cochin airport they are si raju mathew of lakkatoor in kottayam namboola abubacker of kondotty in malappuram and p m subair of naduvattom in kozhikodethe cbi said that mathew during his tenure as counter officer with immigration wing at the airport from january 2009 to july 2012 facilitated illegal immigration of unskilled labourers to saudi arabia by accepting bribes abubacker and subair had arranged visa for the labourers through their travel agencies fayis travels kondotty and west india air travels kozhikode respectivelymathew was introduced to abubacker by another police officer shaju george the cbi found that a sum of rs 24775 was transferred to mathews bank account as remuneration