
Capital Goods / Defence & Electronics · NSE / BSE
Tonbo Imaging India Limited, incorporated in 2003, is a defence technology company engaged in designing and developing advanced sensing, imaging, communication, and guidance systems used in surveillance, reconnaissance, targeting, and control applications. The company focuses on miniaturised and modular technologies and offers products across three key segments—tactical systems for soldiers and security forces, platform systems integrated into land, air, and weapon platforms, and directed energy systems such as high-power microwave solutions for counter-drone operations. Its solutions are used in applications like remote weapon stations, missile seekers, situational awareness, and armoured vehicle vision systems. Tonbo follows an asset-light model by retaining core design and intellectual property while outsourcing manufacturing to EMS partners, enabling scalability and efficiency. With a global presence, the company has supplied its products to 24 countries, including India, the USA, UAE, and South Korea, supported by a skilled workforce of 293 employees as of June 2025.
Price Band
₹665 – ₹700
Issue Size
₹852 Cr
Lot Size
21 shares
GMP
+64.6%
Est. Listing
₹1152
at current GMP
Subscribed
135.91x
overall
Open
15 Oct 2026
Close
19 Oct 2026
Allotment
21 Oct 2026
Refund
22 Oct 2026
Demat Credit
23 Oct 2026
Listing
23 Oct 2026
Last updated: 30 Oct 2026
Current Premium
Issue Price (Upper)
₹700
Band: ₹665 – ₹700
Estimated Listing Price
₹1152
Upper price + GMP
Lot Size
21 shares
Min investment ₹14,700
Estimated Profit / Lot
₹9,492
21 × ₹452
Grey Market Premium trend
—
▲ 0 today
Updated 1 day ago
| Date | GMP (₹) | GMP % | Est. Listing |
|---|---|---|---|
| 15 Apr 2026 | — | 0.0% | ₹700 |
| 10 Oct 2026 | — | 0.0% | ₹700 |
| 11 Oct 2026 | +₹250 | 35.7% | ₹250 |
| 11 Oct 2026 | +₹185 | 26.4% | ₹185 |
| 12 Oct 2026 | +₹400 | 57.1% | ₹1100 |
| 12 Oct 2026 | +₹340 | 48.6% | ₹1040 |
| 12 Oct 2026 | +₹295 | 42.1% | ₹995 |
| 12 Oct 2026 | +₹265 | 37.9% | ₹965 |
| 13 Oct 2026 | +₹475 | 67.9% | ₹1175 |
| 14 Oct 2026 | +₹500 | 71.4% | ₹1200 |
| 15 Oct 2026 | +₹495 | 70.7% | ₹1195 |
| 16 Oct 2026 | +₹500 | 71.4% | ₹1200 |
| 17 Oct 2026 | +₹505 | 72.1% | ₹1205 |
| 18 Oct 2026 | +₹515 | 73.6% | ₹1215 |
| 19 Oct 2026 | +₹510 | 72.9% | ₹1210 |
| 20 Oct 2026 | +₹515 | 73.6% | ₹1215 |
| 21 Oct 2026 | +₹512 | 73.1% | ₹1212 |
| 22 Oct 2026 | +₹450 | 64.3% | ₹1150 |
| 23 Oct 2026 | +₹452 | 64.6% | ₹1152 |
| 30 Oct 2026 | +₹452 | 64.6% | ₹1152 |
GMP is unofficial market data. Not a guarantee of listing performance.
Tonbo Imaging India Limited is bringing an initial public offering (IPO) in the Capital Goods / Defence & Electronics sector with an aggregate issue size of ₹852.18 Crores. The shares are offered at a price band of ₹665 to ₹700 per equity share on NSE and BSE. Currently, traders and retail applicants are calculating expected listing gains and break-even points based on unofficial grey market quotations.
Prospective investors can apply in the retail quota with a minimum of 1 lot comprising 21 shares (approx. ₹14,700 minimum investment). High net-worth individuals (HNI/NII) can bid in the sHNI (₹2 Lakh to ₹10 Lakh) or bHNI (above ₹10 Lakh) categories for enhanced quota allocation.
Allotment reconciliation will be managed by Kfin Technologies Limited. Eligible allottees will receive credit of equity shares into their Demat accounts by 2026-10-23, while un-allotted funds or UPI block mandates will be released on 2026-10-22.
The latest grey market premium for Tonbo Imaging India Limited IPO is ₹452, which indicates an expected listing price of ₹1152.
Kostak rate is the profit amount an investor earns by selling their entire IPO application in the grey market before allotment is finalized.
No. GMP is an unofficial indicator discovered between dealers outside of SEBI-regulated exchanges. Actual listing price is determined by demand-supply discovery on NSE/BSE during the pre-open auction.