CBI files FIR against Tamil Nadu firm for cheating I-T dept of Rs 3.42 crore NEW DELHI, May 6: The CBI has filed an FIR against a Tamil Nadu-based TDS e-return intermediate authority for allegedly cheating Income Tax department to the tune of over Rs 3.42 crore by claiming fabricated returns, officials said Thursday. The central agency has booked 42-year old K Panchatcharam, proprietor of Dhiraviam Tax Services, whose firm is an approved e-return intermediate authority offering services of e-filing TDS returns, Income Tax returns, rectification of TDS statements, PAN registration and GST allotment. The agency has alleged that Panchatcharam devised a format in Microsoft excel software which requires the details of names of DDO, Code No., PAN and DDO’s date of birth.