KOCHI: Income Tax investigators on Wednesday searched over a dozen establishments and residential premises of businessman K.T. Joseph in the wake of allegations regarding alleged irregularities in Supplyco. The investigators inspected the premises of the offices in Kochi, Kasaragod and Coimbatore. Sources in the Income Tax Department said the inspection was carried till late in the evening. He said a clear picture of the allegedly concealed income could emerge only after the inspection was over. — Special Correspondent