If you’ve ever felt like Indian tax compliance is a moving target with three different clocks running at once, you’re not wrong. GST, TDS, and ROC filings each run on their own schedule, with their own penalties — and missing one rarely stays isolated to just that one.
GST: the recurring monthly rhythm
Most registered businesses file GST returns monthly or quarterly, depending on turnover and scheme. Late filing triggers interest and late fees automatically — there’s no grace period grace, and unfiled returns for consecutive periods can lead to registration cancellation.
TDS: the deadline that sneaks up on you
Tax Deducted at Source applies any time your business pays salaries, professional fees, rent above certain thresholds, or contractor payments. TDS has to be deducted at the time of payment, deposited by the 7th of the following month, and reported quarterly. Many businesses deduct correctly but delay depositing — which still counts as a default, with interest running from the original due date.
ROC: the annual filing owners forget because it’s not monthly
Why these three overlap and multiply risk
A GST mismatch can trigger a scrutiny notice. A missed TDS deposit shows up in your books during ROC-linked audits. None of these three exist in isolation — a gap in one often surfaces during compliance checks for another, which is why businesses that treat them as one integrated calendar, not three separate headaches, stay in better shape.
A basic compliance calendar to start with
- Monthly: GST return filing, TDS deposit by the 7th
- Quarterly: TDS returns, advance tax installments (if applicable)
- Annually: Income tax return, ROC annual filing, financial statement filing
Takeaway
Compliance in India rewards consistency far more than effort in a crisis. A business that files a little, correctly, every month rarely faces the penalties that hit businesses trying to catch up all at once in March.

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