According to sources, the tax department has prepared a list of non-filers based on their information records.
"Our data analysis shows that there are over 10 lakh non- filers.
"We will be soon sending them polite letters to seek their response for not filing returns," an official source said.
The source further added that the department is now relying more on technology-driven regime to trace non-filers, rather than depending on heavy-handed administration.
The revenue department has already sent letters in five batches to 1.75 lakh 'high priority cases' seeking whether the person has filed his income tax return or not.
The letter contained the summary of the information of financial transaction(s)
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