Karbonsteel Engineering IPO is a BSE SME issue open from 9–11 September. The company is raising ₹59.30 Crores at a price band of ₹151 - ₹159 per share. One lot is 800 shares.
₹22
Implied listing gain: 13.57%
76.7x
Times the issue was bid for
On the GMP figure: grey market premium is quoted by informal dealers. No exchange publishes it, no regulator oversees it, and it is not a forecast of the listing price. Issues quoting a strong premium have listed below their issue price. Weigh the financials and the risk factors in the RHP well above this number.
Our reading of the numbers below — growth rates, margins, pricing and demand are calculated from the company's own filed figures, not copied from anywhere.
Minimum retail investment
₹1,27,200
800 shares at the upper band of ₹159
Retail limit
1 lot
the most that fits under the ₹2 lakh retail cap
Funds blocked after close
~4 days
from the closing date to listing
Total subscription
76.7x
across all categories
GMP-implied listing gain
+13.8%
₹22 premium on a ₹159 issue price
Karbonsteel Engineering is an SME issue raising ₹59.30 Crores, offered in a band of ₹151–₹159 per share. At the upper end that is 15.9 times the ₹10 face value, so ₹149 of every share subscribed is share premium rather than capital. SME issues list on the BSE SME or NSE Emerge platform rather than the main board. They trade in fixed lots after listing, carry no retail-versus-HNI cut-off bidding, and are usually far less liquid, so exiting a position can take longer than on the main board.
A retail application for Karbonsteel Engineering needs one lot of 800 shares, which works out to ₹1,27,200 at the upper band of ₹159. SME lots are deliberately sized above ₹1,00,000, so this is a far larger single commitment than a mainboard application and rules out most small investors. Retail applications are capped at ₹2,00,000, which here is 1 lot; bidding above that moves the application into the non-institutional category, and the large-HNI bucket begins at ₹10,00,000, or about 8 lots.
For Karbonsteel Engineering, bidding runs 9-11 Sept, allotment is finalised on 12 sep 2025, the shares list on 15 sep 2025. Applications that do not receive an allotment have their UPI mandate released around 1 day after the issue closes. Counting from the close of bidding, money stays blocked for roughly 4 days before listing decides what the holding is worth.
The issue is reserved 50% to qualified institutional buyers, 15% to non-institutional investors, 35% to retail. A 35% retail share is the wider end of the range, which improves the odds for small applications when the book is only modestly oversubscribed. An oversubscribed retail portion is not allotted in proportion to the amount applied for: applications are reduced to single lots and drawn by lot, so several small applications from different PANs are more effective than one large one.
The book is 76.7x subscribed across all categories. That headline covers institutional, non-institutional and retail bids together, and allotment odds are decided within each category separately — an issue can be heavily subscribed overall while the retail portion is comfortable, or the other way round. An oversubscribed retail book is settled by a draw on single-lot applications, so more distinct PANs help where a bigger single bid does not.
Maashitla Securities Pvt.Ltd. is the registrar for this issue, which means the allotment status for Karbonsteel Engineering is published on their portal from 12 sep 2025. A PAN, application number or demat client ID is enough to look it up; the credited shares also appear in the demat account itself a day or so before listing.
A grey market premium of ₹22 on the upper band of ₹159 implies a listing gain of roughly 13.8%. The grey market is unofficial and unregulated, the premium can change daily, and it has no bearing on allotment — treat it as a sentiment reading, not a forecast.
The figures above are worked out from the issue's own filed numbers and are for information only. They are not investment advice — read the RHP before you apply.
| IPO Date | 9–11 September |
| Face Value | 10 Per Share |
| Price Range | ₹151 - ₹159 |
| Issue Size | ₹59.30 Crores |
| Lot Size | 800 Shares |
| Allotment Date | 12 sep 2025 |
| Listing Date | 15 sep 2025 |
| Registrar | Maashitla Securities Pvt.Ltd. |
| Category | Allocation |
|---|---|
| Retail Investors | 35 |
| QIB (Qualified Institutional Buyers) | 50 |
| HNI (High Net Worth Individuals) | 15 |
Karbonsteel Engineering IPO is a BSE SME issue open from 9–11 September. The company is raising ₹59.30 Crores at a price band of ₹151 - ₹159 per share. One lot is 800 shares.
The issue is open 9–11 September. Bids must be placed, and any UPI mandate approved, before the cut-off on the closing day.
The price band is ₹151 - ₹159 per equity share, against a face value of 10. Retail investors may bid at cut-off, meaning they accept the final discovered price within this band.
The minimum application is 800 shares, and bids must be in multiples of that lot.
The total issue size is ₹59.30 Crores.
The issue is reserved as retail 35, QIB 50, HNI 15. If the retail portion is oversubscribed, allotment there is decided by a lottery on lot-sized applications rather than in proportion to the amount applied for.
Basis of allotment is expected to be finalised on 12 sep 2025. You can check your status on the registrar's website (Maashitla Securities Pvt.Ltd.) using your PAN.
Listing is expected on 15 sep 2025, following the T+3 timeline that applies to Indian IPOs.
This information is for educational purposes only. Please conduct your own research and consult with financial advisors before making investment decisions. IPO investments carry market risks.
Or see the full upcoming IPO list, today's grey market premium, subscription figures and allotment status.

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