surat the incometax department has started a search and seizure operation on the premises of a real estate developer financers and diamantaires in the city on thursday few days ago the it department had unearthed unaccounted income worth rs 7 crore from raids conducted on the premises of marble traders textile trader jewellery showroom a tours and travel firm as well as a steel trader official sources said the it sleuths from rangei rangev rangeviii and rangeix started search and seizure operation at the office and residence of a real estate developer who is coming up with residential and commercial projects at amroli and ring road a couple of big financers operating at moti begumwadi and two diamond firms located at katargam and varachha the it sleuths are learnt to have seized documents including that of properties and bank lockers belonging to tax evaders the assessment of valuables seized from tax evaders is going on said an it officer