
Taxpayers who miss the income tax return (ITR) deadline face specific penalties under Section 234F of the Income Tax Act. According to the Income Tax Department, late filing fees range from ₹1,000 to ₹5,000, with the higher amount applying when total income exceeds ₹5 lakh. For cases where total income does not exceed ₹5 lakh, the fee is restricted to ₹1,000. These penalties are designed to encourage timely compliance with tax filing requirements, with defaults occurring when taxpayers fail to file returns within the prescribed due dates.
The Income Tax Act distinguishes between under-reporting and misreporting of income under Section 270A. Under-reporting of income results in a penalty equal to 50% of the tax payable on the under-reported amount. However, when income is misreported through suppression of facts, false entries, or incorrect claims, the penalty increases significantly to 200% of the tax payable on the misreported income. This higher penalty reflects the severity of deliberate attempts to conceal or misrepresent taxable income, with defaults occurring when taxpayers provide incomplete or incorrect information about their income sources. The department has become increasingly data-driven, using information from employers, banks, financial institutions, and documents such as Annual Information Statement (AIS) and Form 26AS to verify claims made in tax returns.
Under Section 271AAD of the Income-tax Act, taxpayers found to have made false entries or deliberately omitted entries to reduce tax liability face severe consequences. The law provides for a penalty equal to 100% of the value of the false or omitted entry, making the cost of claiming fake deductions or concealing income far higher than any potential tax savings. When tax authorities determine willful tax evasion through fake deductions or false claims, prosecution under Sections 276C and 277 may be initiated. Under Section 276C, a person found guilty of willfully attempting to evade tax can face imprisonment ranging from three months to seven years, depending on the amount of tax sought to be evaded. Section 277 deals with false statements in verification or documentation and can result in imprisonment and fines. Tax experts warn that bogus claims can trigger scrutiny, steep penalties and, in cases involving deliberate misreporting or false verification, even prosecution under the Income-tax Act.
The Income Tax Department has significantly strengthened its ability to detect fake tax claims through advanced data-matching tools. Financial information now flows directly from multiple institutions including employers, banks, mutual funds, stock exchanges and other reporting entities, enabling authorities to compare a taxpayer's declared income and deductions with information available through AIS, Form 26AS and other reporting mechanisms. This digitisation of India's tax administration has reduced the scope for inaccurate reporting, with inflated deductions, fabricated receipts or omitted income increasingly likely to be detected during processing or scrutiny. Tax professionals advise taxpayers to review pre-filled information carefully but not assume it is exhaustive, remaining responsible for correctly reporting all taxable income and claiming only deductions supported by valid documents.
According to the Income Tax Department, taxpayers must comply with multiple requirements beyond filing deadlines. These include accurate reporting of all sources of income, payment of taxes within prescribed timelines, and maintenance of books or records wherever applicable. Failure to meet these requirements can result in additional penalties and fees, with defaults occurring when taxpayers fail to maintain proper documentation or submit required statements within specified time limits. Tax experts recommend several precautions before filing ITR: cross-check income with AIS, Form 26AS and Form 16, claim only deductions backed by documentary evidence, retain investment proofs, insurance receipts and donation certificates, verify capital gains and interest income carefully, and complete e-verification within prescribed timelines. The department emphasizes that filing ITR within due dates, reporting all sources of income accurately, paying taxes on time and complying with record-keeping requirements can help avoid unnecessary notices, additional costs, and prolonged disputes with tax authorities.