Calstar Sponge Limited
About Calstar Sponge Limited
Data last updated: 22 December 2025
Calstar Sponge Limited is a public limited company based in Kolkata, West Bengal, India. It specialises in steel manufacturing and processing, a part of the broader metals and mining sector. Incorporated on 01 March 2004, the company has been in operation for over 22 years.
Registered with ROC Kolkata under CIN U27102WB2004PLC097962.
Capital: an authorised share capital of ₹5 Cr and a paid-up capital of ₹3.84 Cr. Formerly known as Calstar Sponge Pvt Limited. It is led by directors including Tulsi Ram Agarwal and Rajiv Agarwal.
Last AGM: 30 September 2023. Financial statements filed for year ended 31 March 2023. Office: 18 R.N. Mukherjee Road, Kolkata, West Bengal, India – 700001.
As per the financials filed for FY 2025, the company reported a revenue of ₹447.25 Cr, a decline of 2% compared to the previous year.
The company has a workforce of approximately 110 employees as per the latest available data.
As per MCA filings, the company has open charges of ₹85 Cr and satisfied charges of ₹42.5 Cr on record.
The current compliance status is marked as compliant by the Registrar of Companies.
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Registered Address18 R.N. Mukherjee Road, Kolkata, West Bengal, India – 700001
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IndustryMetals and Minerals, Steel Manufacturing & Processing
- Historical Financials and ratios
- Shareholding pattern and group structure
- Charges with holder and property details
- Litigation, compliance and MCA filings
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Business Activity of Calstar Sponge Limited
Calstar Sponge Limited is engaged in the principal business activity of manufacturing, with detailed activities including metal and metal products.
| Main Activity Group Code | Description of Main Activity | Business Activity Code | Description of Business Activity | Turnover Percentage |
|---|---|---|---|---|
| C | Manufacturing | C7 | Metal and metal products | Locked |
Business activity turnover details for Calstar Sponge Limited
Turnover contribution percentages and historical activity changes require an active report plan.
- Turnover contribution
- Historical classifications
- Filing-level activity changes
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Auditor Details of Calstar Sponge Limited
Calstar Sponge Limited is audited by K. KEJRIWAL & CO. for the financial year 2023. The auditor plays a crucial role in ensuring financial transparency and compliance with accounting standards.
| Name | Status | Appointment Date | Cessation Date |
|---|---|---|---|
| K. KEJRIWAL & CO. | Locked | Locked | Locked |
Complete auditor history for Calstar Sponge Limited
Appointment status, appointment dates, cessation dates, and historical auditor changes require an active report plan.
- Appointment status
- Appointment dates
- Cessation dates
- Auditor changes
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Board of Directors of Calstar Sponge Limited
Calstar Sponge Limited is governed by 4 directors who oversee the company's operations and strategic decisions.
| Name | Designation | Appointment Date | Tenure | Status |
|---|---|---|---|---|
| Tulsi Ram Agarwal | Director | 01 Mar 2004 | 22 Years 4 Months | Current |
| Rajiv Agarwal | Director | 01 Mar 2004 | 22 Years 4 Months | Current |
| Vikas Agarwal | Director | 01 Mar 2007 | 19 Years 4 Months | Current |
| Vinay Agarwal | Director | 01 Mar 2004 | 22 Years 4 Months | Current |
Financials of Calstar Sponge Limited FY 2023 filings available
Calstar Sponge Limited reported revenue of ₹447.25 Cr (down 2.00% YoY) for FY 2025.
Ten-year financial statements for Calstar Sponge Limited
Historical statement values and trend charts require an active report plan.
- Income statements
- Balance sheets
- Cash-flow statements
- Ratios and benchmarks
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Ownership and Shareholding of Calstar Sponge Limited
Shareholding and ownership data for Calstar Sponge Limited
Promoter, institutional, public, and beneficial ownership values require an active report plan.
- Ownership categories
- Historical changes
- Group structure
- FII and DII holdings
Verified entity values are shown only after access is granted.
Group Structure of Calstar Sponge Limited
Calstar Sponge Limited has 1 associated company. This group structure data is as of FY 2023. The corporate group structure reflects Calstar Sponge Limited's business expansion strategy and organizational complexity.
Charges & Borrowings of Calstar Sponge Limited
| Date | Lender | Amount | Status |
|---|---|---|---|
| 30 Dec 2022 | Others | ₹60 Cr | Open |
| 28 Nov 2007 | Indian Bank | ₹25 Cr | Open |
| 26 Nov 2007 | Indian Bank | ₹27.5 Cr | Satisfied |
| 24 Oct 2005 | State Bank of India | ₹5 Cr | Satisfied |
| 06 Jul 2005 | West Bengal Financial Corporation | ₹10 Cr | Satisfied |
Total charge records: 5 View all charges
Employees and EPFO Compliance at Calstar Sponge Limited
Calstar Sponge Limited has a workforce of 110 employees as of Apr 01, 2024.
Employee and EPFO history for Calstar Sponge Limited
Monthly headcount, contribution history, establishment records, and filing compliance require an active report plan.
- Monthly headcount
- PF contributions
- ECR filing status
- Establishment history
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GST Compliance of Calstar Sponge Limited
GST registrations and filing compliance for Calstar Sponge Limited
State-wise registrations, return filing status, HSN and SAC details, and jurisdiction records require an active report plan.
- GSTIN registrations
- State-wise filing status
- HSN and SAC details
- Tax jurisdiction records
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Credit Ratings, Litigation & Regulatory Alerts for Calstar Sponge Limited
Credit ratings, litigation, and regulatory alerts for Calstar Sponge Limited
Agency ratings, court records, regulatory events, and entity-specific compliance alerts require an active report plan.
- Rating history
- Court and tribunal cases
- Regulatory alerts
- Director-linked violations
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MSME Payment Delays by Calstar Sponge Limited
MSME payment history for Calstar Sponge Limited
Amounts outstanding to micro and small suppliers, delay reasons, and MSME-1 filing history require an active report plan.
- Outstanding amounts
- Delay periods and reasons
- MSME-1 filing history
- Vendor payment signals
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Subsidiaries & Group Companies of Calstar Sponge Limited
Corporate group structure for Calstar Sponge Limited
Parent, subsidiary, associate, joint venture, and ownership records require an active report plan.
- Parent company
- Subsidiaries and ownership
- Associates and joint ventures
- Entity investments
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MCA Filings & Documents of Calstar Sponge Limited
MCA filings and documents for Calstar Sponge Limited
Official forms, annual returns, financial statements, charge filings, and document dates require an active report plan.
- Incorporation documents
- Annual returns and statements
- Charge filings
- Complete filing index
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Recent Activity on Calstar Sponge Limited
Frequently Asked Questions about Calstar Sponge Limited
Calstar Sponge Limited is an active public limited company in the metals and minerals sector based in Kolkata, West Bengal, India. It was incorporated on 01 March 2004 (22+ years old) and is registered under CIN U27102WB2004PLC097962. The company has 110 employees.
Calstar Sponge Limited reported revenue of ₹447.25 Cr for FY 2025 (down 2.00% YoY).
The current directors of Calstar Sponge Limited are:
- Tulsi Ram Agarwal - Director
- Rajiv Agarwal - Director
- Vikas Agarwal - Director
- Vinay Agarwal - Director
The primary industry of Calstar Sponge Limited is metals and minerals. The company specifically operates in steel manufacturing and processing. The company is currently active in this sector.
Calstar Sponge Limited can be reached at the registered office: 18 R.N. Mukherjee Road, Kolkata, West Bengal, India – 700001.
The authorised capital is ₹5 Cr, and the paid-up capital is ₹3.84 Cr.