TruAlt Bioenergy IPO is a Mainboard issue. The company is raising ₹839.28 Crores at a price band of ₹472 - ₹496 per share. One lot is 30 shares.
₹100
Implied listing gain: ₹545.40
16.66x
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
₹14,880
30 shares at the upper band of ₹496
Retail limit
13 lots
the most that fits under the ₹2 lakh retail cap
Total subscription
16.66x
across all categories
GMP-implied listing gain
+20.2%
₹100 premium on a ₹496 issue price
TruAlt Bioenergy is a mainboard issue raising ₹839.28 Crores, offered in a band of ₹472–₹496 per share. At the upper end that is 49.6 times the ₹10 face value, so ₹486 of every share subscribed is share premium rather than capital.
A retail application for TruAlt Bioenergy needs one lot of 30 shares, which works out to ₹14,880 at the upper band of ₹496. That is close to the ₹15,000 ceiling SEBI expects for a single retail lot, so an investor applying at cut-off is committing nearly the full retail limit per application. Retail applications are capped at ₹2,00,000, which here is 13 lots; bidding above that moves the application into the non-institutional category, and the large-HNI bucket begins at ₹10,00,000, or about 68 lots.
For TruAlt Bioenergy, allotment is finalised on 30 sep 2025, the shares list on 3 Oct 2025.
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 16.66x 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.
Bigshare Services Pvt.Ltd is the registrar for this issue, which means the allotment status for TruAlt Bioenergy is published on their portal from 30 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 ₹100 on the upper band of ₹496 implies a listing gain of roughly 20.2%. 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 | |
| Face Value | 10 Per Share |
| Price Range | ₹472 - ₹496 |
| Issue Size | ₹839.28 Crores |
| Lot Size | 30 Shares |
| Allotment Date | 30 sep 2025 |
| Listing Date | 3 Oct 2025 |
| Registrar | Bigshare Services Pvt.Ltd |
| Category | Allocation |
|---|---|
| Retail Investors | 35 |
| QIB (Qualified Institutional Buyers) | 50 |
| HNI (High Net Worth Individuals) | 15 |
TruAlt Bioenergy IPO is a Mainboard issue. The company is raising ₹839.28 Crores at a price band of ₹472 - ₹496 per share. One lot is 30 shares.
The price band is ₹472 - ₹496 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 30 shares, and bids must be in multiples of that lot.
The total issue size is ₹839.28 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 30 sep 2025. You can check your status on the registrar's website (Bigshare Services Pvt.Ltd) using your PAN.
Listing is expected on 3 Oct 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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