
Infrastructure & Construction · NSE
Effwa Infra & Research Limited, founded in 2014, specializes in engineering, consulting, procurement, construction, and project management services in water pollution control. The company focuses on wastewater and industrial effluent treatment, solid waste disposal, aeration systems, hazardous waste management, and water treatment plants, offering comprehensive solutions from design to commissioning. It provides expertise in Effluent Treatment Plants (ETP), Sewage Treatment and Remediation (STP), Water Treatment and Distribution (WTP), and Hazardous Waste Management while also executing infrastructure projects involving wells, pump houses, pipelines, and electro-mechanical works. Operating across multiple Indian states, including Andhra Pradesh, Chhattisgarh, Gujarat, Maharashtra, Odisha, West Bengal, Madhya Pradesh, and Rajasthan, as well as in the international market, Effwa Infra & Research Limited has successfully completed over 45 water management projects for public sector undertakings, municipal corporations, and private entities. As of March 31, 2024, the company employs over 118 professionals, including 12 engineers specializing in wastewater treatment system planning and design, along with 76 engineers across civil, mechanical, electrical, instrumentation, automation, piping, and safety and quality control disciplines, reinforcing its commitment to sustainable and efficient water management solutions.
Price Band
₹78 – ₹82
Issue Size
₹51.27 Cr
Lot Size
1600 shares
GMP
+174.4%
Est. Listing
₹225
at current GMP
Subscribed
313.73x
overall
Open
5 Jul 2024
Close
9 Jul 2024
Allotment
10 Jul 2024
Refund
11 Jul 2024
Demat Credit
12 Jul 2024
Listing
12 Jul 2024
Last updated: 19 Oct 2026
Current Premium
Issue Price (Upper)
₹82
Band: ₹78 – ₹82
Estimated Listing Price
₹225
Upper price + GMP
Lot Size
1600 shares
Min investment ₹1,31,200
Estimated Profit / Lot
₹2,28,800
1600 × ₹143
Grey Market Premium trend
+₹143
▲ 0 today
Updated less than a minute ago
| Date | GMP (₹) | GMP % | Est. Listing |
|---|---|---|---|
| 31 Oct 2026 | +₹143 | 174.4% | ₹225 |
| 30 Oct 2026 | +₹143 | 174.4% | ₹225 |
| 29 Oct 2026 | +₹129 | 156.9% | ₹211 |
GMP is unofficial market data. Not a guarantee of listing performance.
Effwa Infra & Research Limited is bringing an initial public offering (IPO) in the Infrastructure & Construction sector with an aggregate issue size of ₹51.27 Crores. The shares are offered at a price band of ₹78 to ₹82 per equity share on NSE. Currently, grey market participants and retail investors are watching the bidding trend, premium movement, and anchor book demand with keen interest.
Prospective investors can apply in the retail quota with a minimum of 1 lot comprising 1600 shares (approx. ₹1,31,200 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 Bigshare Services Private Limited. Eligible allottees will receive credit of equity shares into their Demat accounts by 2024-07-12, while un-allotted funds or UPI block mandates will be released on 2024-07-11.
The latest grey market premium for Effwa Infra & Research Limited IPO is ₹143, which indicates an expected listing price of ₹225.
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.