Eligible under Sec 58 (old Sec 44ADA): Legal, medical, engineering, architectural, accountancy, technical consultancy, interior decoration, authorised representative, film artist, company secretary, information technology. "Information technology" covers: Software development, IT consulting, data analytics, UI/UX design, app development, most tech freelancers qualify. Tax saving example: ₹30L annual freelance income. Under Sec 58 (old Sec 44ADA): taxable = ₹15L. Old regime tax on ₹15L (after standard deduction) ≈ ₹2.3L. Without Sec 58 (old Sec 44ADA), tax on ₹30L (with limited deductions) ≈ ₹6L+. Saving: ₹3.7L+.