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Side-hustle income tax: GST, ITR, advance tax

When to register for GST, how to file ITR-3, and the 4 advance-tax dates that matter.

Elevatools Team·2026-01-15· 3 min
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GST threshold

  • Services: ₹20L/year (₹10L in NE states).
  • Goods: ₹40L/year (₹20L in NE states).

ITR-3 if you have business or professional income

Section 44ADA presumptive scheme: declare 50% of receipts as income (for professionals up to ₹50L turnover).

Advance tax dates

  • 15 June: 15% of liability
  • 15 Sep: 45%
  • 15 Dec: 75%
  • 15 Mar: 100%

Miss these = interest under 234B/C.

Keep records

  • Invoices issued
  • Expense receipts (laptop, internet, software, travel)
  • Bank statements segregated for side-hustle

Elevatools GST Analyzer + ITR Analyzer can run a free year-end check.

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