You must take the following measures when e-filing your ITR: Ensure a comprehensive understanding of your ITR form Check Form 26AS diligently to verify the accuracy of tax details, including TDS, Tax Collected at Source (TCS) and advance or self-assessment tax Make sure to timely file your ITR to avoid penalties and ensure compliance with prevailing tax policies Promptly verify your return to confirm the accuracy of the information on your form Safeguard all relevant documents, such as bank statements, interest certificates, Form 16 and investment proofs for future reference