Interarch receives Income Tax notice for undisclosed income filing

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INTERARCH · price

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▲ positive · ▼ negative · ● neutral filings · teal = economic event · numbered = multiple that day (click to pick). Times IST.

Price reactionminutes from the announcement price · days from the prior close

+6.9%Reaction day

₹1969.90

prior close

₹2070.00

announcement price

After-mkt

timing

Nifty Microcap 250market · in no size index; the smallest one is used-1.3%+8.1% vs market

Civil Construction peers, median of 92sector-1.1%+7.9% vs sector

On the reaction day the stock moved 8.1 pts more than Nifty Microcap 250 and 7.9 pts more than its Civil Construction peers, over the same two closes: a difference in percentage points, not a measure of what the filing did.

Minutes after the announcementfrom the announcement price · no benchmark

Stock

-0.7

10m

+0.7

15m

+1.4

30m

+1.1

Sessions after the filingfrom the prior close

StockMarketvs marketSectorvs sector

Reaction day

+6.9-1.3+8.1-1.1+7.9

Next day

+13.7+2.4+11.3+1.0+12.7

+6.6+3.8+2.9+2.3+4.3

+3.6+2.7+0.8+1.5+2.0

+6.6+1.9+4.6+0.4+6.2

+6.6+4.6+2.1+3.2+3.4

-2.1+5.1-7.2+2.8-4.9

15d

-2.3+2.1-4.4-1.1-1.2

-7.2-2.1-5.1-5.2-2.0

-9.5-6.4-3.0-9.9+0.4

+11.8+9.5+2.3+4.3+7.5

UpDownMarket · Nifty Microcap 250Sector · Civil Construction peers, median of 92Pending

Minute windows have no benchmark: there is no intraday index history to compare against.

AI summary

Interarch Building Solutions and certain KMPs received a Section 158BC Income-tax notice on 29 Jan 2026, requiring filing of return of undisclosed income for block period 01/04/2019 to 17/10/2025. This follows an Income Tax search from August 2025. The notice is procedural; no tax demand, penalty, or adverse order has been passed. Company is complying within prescribed timelines.

Likely market impact

Procedural tax notice with no demand or penalty yet. Near-term impact limited, but uncertainty persists until the assessment concludes.