# Special Relief for Capital Gains & Casual Income — Proviso to Section 234C
## The Problem
Advance tax is payable on total income, which includes capital gains and casual income (lottery, crosswords, card games, races, etc.).
But these incomes are unpredictable — an assessee cannot estimate them at the start of the year.
## The Relief Provided
The proviso to section 234C provides:
> If any such income arises after the due date for any advance tax instalment, then the entire tax payable on such income (after considering TDS) should be paid in the remaining instalments of advance tax which fall due.
> If no further instalment is due, the entire tax should be paid by 31st March of the relevant financial year.
## Effect
- No interest under section 234C is leviable on shortfall in the earlier instalments attributable to such income.
- This relief applies only to the late-arising capital gains / casual income — NOT to regular business or salary income.
## Special Note on Casual Income
Casual income is fully subject to TDS @30% under sections 194B / 194BA / 194BB. Therefore, advance tax liability arises only if:
- Surcharge (if any) + Health & Education cess @4% on such income, PLUS
- Tax liability on other income, if any,
is ₹10,000 or more.