Catalyst Capital Partners and PACs Increase Stake in AB Infrabuild Limited to 12.38%

Catalyst Capital Partners Private Limited and its associated Persons Acting in Concert (PACs) have filed a substantial acquisition disclosure for AB Infrabuild Limited under Regulation 29(2) of SEBI (Substantial Acquisition of Shares and Takeovers) Regulations, 2011. The acquisition has resulted in the group's collective shareholding increasing from 9.40% to 12.38% of the company's total voting capital.

Acquirer Group Details

The acquirer group consists of Catalyst Capital Partners Private Limited as the primary acquirer, along with nine PACs. The PACs include Nimesh Sahadeo Singh, Nimesh Singh HUF, Priti Nimesh Singh, and several members of the Gandhi family including Kaushik Hasmukhlal Gandhi, Hasmukh Mafatlal Gandhi, Kaushik Hasmukhlal Gandhi – HUF, Bijal Kaushik Gandhi, Sudha Hasmukhlal Gandhi, and Khushi Kaushik Gandhi. The disclosure confirms that the acquirer does not belong to the promoter or promoter group of AB Infrabuild Limited.

Shareholding Changes

The following table summarizes the key shareholding changes:

Parameter: Details Total Shares Acquired: 1,90,49,281 Acquisition Percentage: 2.98% Pre-Acquisition Holding: 9.40% Post-Acquisition Holding: 12.38% Mode of Acquisition: Open market transactions and rights issue subscription

Individual Entity Holdings

Among the individual entities, Catalyst Capital Partners Private Limited emerged as the largest single holder post-acquisition with 1,82,24,861 shares (2.85%). Bijal Kaushik Gandhi holds 1,43,44,570 shares (2.25%), while Kaushik Hasmukhlal Gandhi holds 1,39,76,130 shares (2.19%). Nimesh Singh HUF and Nimesh Sahadeo Singh hold 1,36,10,000 shares (2.13%) and 1,30,84,430 shares (2.05%) respectively.

Transaction Timeline and Structure

The acquisition transactions occurred during the period from June 23, 2023, to March 30, 2026, through a combination of open market purchases and subscription to equity shares under a rights issue. The disclosure reveals mixed trading activities among PACs, with some entities increasing their holdings while others, such as Priti Nimesh Singh and Kaushik Hasmukhlal Gandhi – HUF, reduced their positions during the acquisition period.

Company Capital Structure

AB Infrabuild Limited's equity share capital remains unchanged at Rs. 63,87,89,360, divided into 63,87,89,360 equity shares of Re. 1 each. The company's shares are listed on both the National Stock Exchange of India Limited and BSE Limited. The total diluted share capital also stands at the same level, indicating no outstanding convertible securities or warrants.

Regulatory Compliance

The disclosure was signed by Kaushik Hasmukhlal Gandhi on behalf of all acquirers and PACs on March 31, 2026, from Mumbai, ensuring compliance with SEBI's substantial acquisition disclosure requirements. This filing provides transparency regarding the significant change in shareholding pattern and the strategic interest of Catalyst Capital Partners and its associated entities in AB Infrabuild Limited.

A B Infrabuild has officially announced the acceptance of a major railway infrastructure project worth ₹48.67 crore from East Coast Railways, Indian Railways. The contract encompasses comprehensive railway infrastructure development services, including Road Over Bridge construction and technical consultancy services for multiple railway projects.

Project Components and Scope

The awarded contract includes two distinct components that demonstrate the company's integrated capabilities in railway infrastructure development:

Component: Details Contract Value: ₹48.67 crore Client: East Coast Railways, Indian Railways Project Duration: 24 months Entity Type: Domestic

The first component involves construction of Road Over Bridge with specifications including 1x36.0 m composite girder and 2x24.0 m composite girder for railway portion, plus 2x24.0 m composite girder outside railway portion. This construction will replace Level Crossing No. 360 at Km 665/19-21 between Mandasa-Summadevi stations on the Howrah-Vishakhapatnam main line under Khurda road Division.

Technical Services Portfolio

The second component encompasses comprehensive technical services for railway infrastructure development. A B Infrabuild will undertake feasibility studies, Detailed Project Report preparation, and design development for elimination of 09 Level Crossings through construction of ROB/RUB, FOB, drainage improvements and rebuilding works on East Coast Railway.

Service Type: Scope Feasibility Study: Level crossing elimination analysis DPR Services: Detailed Project Report preparation Design Development: ROB/RUB, FOB infrastructure Additional Works: Drainage improvements, rebuilding

Strategic Impact and Compliance

This contract represents a significant addition to A B Infrabuild's order book, strengthening its position in the railway infrastructure sector. The project combines both construction and consultancy services, showcasing the company's comprehensive project management capabilities. The contract terms follow standard performance security clauses as per tender documents, with no related party transactions involved.

The company has fulfilled regulatory compliance requirements under SEBI LODR Regulations 2015, providing detailed project information to stock exchanges. This transparency demonstrates A B Infrabuild's commitment to maintaining proper corporate governance standards while executing major infrastructure projects.

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