What is IPO Grey Market Premium (GMP)?

IPO Grey Market Premium (GMP) is an unofficial, over-the-counter premium over the issue price that dealers and investors pay prior to official listing on NSE/BSE.

How is estimated IPO listing price determined?

Estimated Listing Price = Cut-off / Issue Price + Current Grey Market Premium (GMP). For example, an issue price of ₹100 with ₹40 GMP yields an estimated listing price of ₹140 (+40%).

What is Kostak rate in an IPO?

Kostak rate is the fixed profit earned by selling an IPO application before allotment, irrespective of whether the application is allotted shares or not.

What is Subject to Sauda in IPO trading?

Subject to Sauda is an informal contract where payment is made only if the seller receives share allotment in the IPO.

Is IPO Grey Market Premium (GMP) regulated by SEBI?

No. Grey Market transactions are non-exchange over-the-counter commitments and are not officially regulated or endorsed by SEBI. Investors should treat GMP as an informal sentiment indicator.

What is the current subscription status of Tenneco Clean Air India Limited IPO?

Tenneco Clean Air India Limited IPO has received a total subscription of 61.79 times overall.

IPO GreyPremiumLIVE

Grey Market Intelligence

Tenneco Clean Air India Limited

ListedMainboard

Consumer Discretionary · NSE / BSE

Founded in 2018, Tenneco Clean Air India Limited is a subsidiary of Tenneco Inc., a global company known for its clean air and powertrain products used in automobiles. The company operates under the Clean Air division, focusing on emission control systems for both light and commercial vehicles. In India, it provides advanced exhaust and after-treatment solutions such as catalytic converters, diesel particulate filters, mufflers, and exhaust pipes to help manufacturers comply with Bharat Stage VI emission standards. Tenneco Clean Air has 12 manufacturing facilities across seven states and one union territory, supporting OEMs and Tier 1 customers. Its operations include two main divisions: Clean Air & Powertrain Solutions, and Advanced Ride Technologies, which produces shock absorbers, struts, and suspension systems. As of March 31, 2025, the company had 145 employees working in design, engineering, and R&D, with a strong focus on sustainability and innovation.

Price Band

₹378 – ₹397

Issue Size

₹3600 Cr

Lot Size

37 shares

GMP

₹100

+25.2%

Est. Listing

₹497

at current GMP

Subscribed

61.79x

overall

Open

12 Nov 2025

14 Nov 2025

Allotment

17 Nov 2025

Refund

18 Nov 2025

Demat Credit

19 Nov 2025

Listing

19 Nov 2025

Last updated 12 days ago

Overview Live GMP Subscription Status Allotment Status Filing Documents

Overall Subscription

61.79x

Total Demand

QIB Multiplier

174.78x

Institutions & Funds

NII / HNI

42.79x

High Net-Worth

Retail (RII)

5.37x

Individual Bidders

Category-Wise Subscription Breakup

Live bidding breakdown by institutional, non-institutional, and retail investors

Total 61.79x

Category	Shares Offered	Shares Applied / Bid	Times Subscribed
QIB	18,136,020	3,169,844,427	174.78x
NIB	13,602,015	582,017,659	42.79x
HNIs(10L +)	9,068,010	447,745,658	49.38x
HNIs (2-10L)	4,534,005	134,272,001	29.61x
RETAIL	31,738,035	170,275,665	5.37x
Total	77,078,085	4,504,155,410	61.79x

Application-Wise Breakup

Total unique applications received across retail and HNI tranches

Apps 4.62x

Category	Applications Reserved	Applications Received	Times Subscribed
RETAIL	857,785	3,662,855	4.27x
HNIs(10L +)	17,506	170,742	9.75x
HNIs (2-10L)	8,753	246,770	28.19x
Total Applications	884,044	4,080,367	4.62x

Day-Wise Subscription Progress

Track continuous institutional and retail bidding order books for all active issues on the ipo live subscription feed.

About Tenneco Clean Air India Limited Public Issue & Market Profile

Tenneco Clean Air India Limited is bringing an initial public offering (IPO) in the Consumer Discretionary sector with an aggregate issue size of ₹3,600 Crores. The shares are offered at a price band of ₹378 to ₹397 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.

Bidding & Quota Instructions:

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.

Allotment Reconciliation Schedule:

Following the close of bidding on 2025-11-14, the basis of allotment is scheduled to be finalized on 2025-11-17. 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 (Link Intime India Private Limited) or the BSE allotment checking window.

Frequently Asked Questions

What is Tenneco Clean Air India Limited IPO GMP today?

The latest Grey Market Premium (GMP) for Tenneco Clean Air India Limited IPO is ₹100 per equity share. Based on the upper price band of ₹378 to ₹397 per equity share, the estimated listing price is ₹497 (+25.2% expected listing gain).

What is the expected profit per lot for Tenneco Clean Air India Limited IPO?

With a lot size of 37 shares and current GMP of ₹100, the expected profit per application lot is approx ₹3,700 (+25.2% gain). Minimum application cost is approx ₹14,689.

What is the issue size and price band for Tenneco Clean Air India Limited IPO?

The Tenneco Clean Air India Limited IPO aggregate issue size is ₹3,600 Crores with an equity price band set at ₹378 to ₹397 per equity share. The retail lot size is 37 shares requiring a minimum capital outlay of approx. ₹14,689.

How can I check Tenneco Clean Air India Limited IPO live subscription demand?

Live subscription figures are compiled real-time from the NSE and BSE bidding engines. Currently, overall subscription is 61.79x (Retail: 5.37x, QIB: 174.78x, NII: 42.79x). You can track live multiples directly on our dedicated subscription page.

Where and when will Tenneco Clean Air India Limited IPO allotment status be published?

The basis of allotment will be published on the official registrar portal (Link Intime India Private Limited) and the BSE status verification website on or around 2025-11-17. Investors can verify status using PAN card or application number.

When is the listing date for Tenneco Clean Air India Limited IPO?

Tenneco Clean Air India Limited shares are scheduled to list on NSE and BSE on 2025-11-19.