Chintalapati Holdings Acquires 46.31% Stake in Sigma Advanced Systems Through Amalgamation
Chintalapati Holdings Private Limited acquired 46.31% stake in Sigma Advanced Systems Limited through amalgamation scheme, receiving 8,16,17,788 equity shares. The NCLT Chennai approved the merger in December 2025, with share allotment completed in January 2026. The transaction increased Sigma's equity capital from ₹73.77 crores to ₹176.24 crores, establishing Chintalapati Holdings as the largest promoter group shareholder.

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Chintalapati Holdings Private Limited has completed a major acquisition in Sigma Advanced Systems Limited (formerly Megasoft Limited), securing a substantial 46.31% stake through a scheme of amalgamation. The transaction, disclosed under SEBI regulations on January 21, 2026, represents one of the significant corporate restructuring activities in the technology sector.
Amalgamation Details and Regulatory Approval
The acquisition stems from the amalgamation of Sigma Advanced Systems Private Limited into Sigma Advanced Systems Limited, which received approval from the Hon'ble NCLT Chennai on December 16, 2025. Following the merger order, the Board of Directors of Sigma Advanced Systems Limited convened on January 16, 2026, to approve the allotment of equity shares to shareholders of the transferor company.
| Transaction Parameter: | Details |
|---|---|
| Acquiring Entity: | Chintalapati Holdings Private Limited |
| Target Company: | Sigma Advanced Systems Limited |
| Shares Acquired: | 8,16,17,788 equity shares |
| Acquisition Percentage: | 46.31% |
| Mode of Acquisition: | Scheme of Amalgamation |
| NCLT Approval Date: | December 16, 2025 |
| Share Allotment Date: | January 16, 2026 |
Share Capital Transformation
The amalgamation has resulted in a significant expansion of Sigma Advanced Systems' equity base. The company's total equity share capital witnessed substantial growth following the completion of the merger process.
| Share Capital Metrics: | Before Acquisition | After Acquisition |
|---|---|---|
| Total Equity Shares: | 73,77,00,410 | 176,23,97,050 |
| Chintalapati Holdings Stake: | - | 8,16,17,788 shares |
| Ownership Percentage: | - | 46.31% |
Regulatory Compliance and Disclosure
Chintalapati Holdings Private Limited, identified as a promoter group entity, has fulfilled its disclosure obligations under Regulation 29(1) of SEBI (Substantial Acquisition of Shares and Takeovers) Regulations, 2011. The company, incorporated with CIN U65921TG2000PTC033327 and headquartered in Hyderabad, formally notified the stock exchanges and Sigma Advanced Systems about the substantial acquisition.
The disclosure confirms that Chintalapati Holdings had no prior shareholding in Sigma Advanced Systems before this acquisition. The entire 46.31% stake was acquired solely through the amalgamation process, with the shares carrying full voting rights and no encumbrances.
Corporate Structure Impact
Sigma Advanced Systems Limited, listed on both NSE and BSE, has undergone significant ownership restructuring with Chintalapati Holdings emerging as the largest shareholder. The company, previously known as Megasoft Limited, operates in the technology sector and is now positioned with a strengthened promoter base following the successful completion of the amalgamation scheme.
Historical Stock Returns for Megasoft
| 1 Day | 5 Days | 1 Month | 6 Months | 1 Year | 5 Years |
|---|---|---|---|---|---|
| +5.00% | -12.25% | -0.45% | +58.54% | +100.31% | +1,653.73% |
































