
Industrial & Financial Services · NSE / BSE
Incorporated in January 2008, Prostarm Info Systems Limited is an Indian company that specializes in designing, manufacturing, and selling energy storage and power conditioning equipment, commonly referred to as "Power Solution Products." These include UPS systems, inverter systems, solar hybrid inverters, lithium-ion battery packs, and voltage stabilizers. The company offers both customized and standard solutions, manufactured in-house or through contract partners, and also supplies third-party batteries. Additionally, Prostarm provides services such as reverse logistics, end-of-life disposal for UPS systems and batteries, and executes rooftop solar power plant projects on an EPC basis. Their offerings are complemented by installation, rental services, and comprehensive after-sales support, including warranty, post-warranty service, and Annual Maintenance Contracts (AMC). Serving a wide range of industries—such as healthcare, aviation, research, BFSI, railways, defense, education, IT, and renewable energy—their clientele includes major public sector organizations like the Airports Authority of India, CPWD Patna, PWD New Delhi, and NTPC Vidyut Vyapar Nigam Limited. As of May 17, 2025, Prostarm operates through 21 branch offices and 2 storage facilities across 18 states and 1 union territory in India. The company had 423 permanent employees and 19 contract staff as of March 31, 2025.
Price Band
₹95 – ₹105
Issue Size
₹168 Cr
Lot Size
142 shares
GMP
+11.4%
Est. Listing
₹117
at current GMP
Subscribed
97.20x
overall
Open
27 May 2025
Close
29 May 2025
Allotment
30 May 2025
Refund
31 May 2025
Demat Credit
1 Jun 2025
Listing
3 Jun 2025
Last updated: 19 Oct 2026
Current Premium
Issue Price (Upper)
₹105
Band: ₹95 – ₹105
Estimated Listing Price
₹117
Upper price + GMP
Lot Size
142 shares
Min investment ₹14,910
Estimated Profit / Lot
₹1,704
142 × ₹12
Grey Market Premium trend
+₹12
▲ 0 today
Updated less than a minute ago
| Date | GMP (₹) | GMP % | Est. Listing |
|---|---|---|---|
| 31 Oct 2026 | +₹12 | 11.4% | ₹117 |
| 30 Oct 2026 | +₹12 | 11.4% | ₹117 |
| 29 Oct 2026 | +₹11 | 10.3% | ₹116 |
GMP is unofficial market data. Not a guarantee of listing performance.
Prostarm Info Systems Limited is bringing an initial public offering (IPO) in the Industrial & Financial Services sector with an aggregate issue size of ₹168 Crores. The shares are offered at a price band of ₹95 to ₹105 per equity share on NSE and BSE. Currently, investors are tracking the grey market premium (GMP) and institutional subscription multiples closely across BSE and NSE portals.
The public offer consists of a fresh issue and offer-for-sale structured under SEBI regulations. Bidding is open to Qualified Institutional Buyers (QIB), Non-Institutional Bidders (NII/HNI), and Retail Individual Investors (RII). Applications can be submitted online using ASBA or UPI mandate through certified stock brokers and net banking portals.
Following the close of bidding on 2025-05-29, the basis of allotment is scheduled to be finalized on 2025-05-30. Investors can verify their application status online by submitting their PAN card number, Application Number, or DP Client ID on the registrar's official portal (Kfin Technologies Limited) or the BSE allotment checking window.
The latest grey market premium for Prostarm Info Systems Limited IPO is ₹12, which indicates an expected listing price of ₹117.
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.