New Delhi, Sept. 29 -- Senior citizens enjoy several tax benefits under the income tax rules. However, simply because a bank has deducted tax at source (TDS) on interest income does not necessarily mean that a senior citizen is exempt from filing an Income Tax Return (ITR).

The requirement to file an ITR depends on several factors, including the taxpayer's total income, age, residential status and the nature of income earned during the financial year.

Under the income-based criteria, an individual is generally required to file an ITR when their total income, before considering certain deductions and exemptions, exceeds the applicable basic exemption limit.

Under the old tax regime, the basic exemption limit is Rs.2.5 lakh for individua...