Calstar Sponge Limited
About Calstar Sponge Limited
Data last updated:
Calstar Sponge Limited is a public limited company based in Kolkata, West Bengal, India. It operates in the steel manufacturing and processing segment of the metals and mining sector. It was incorporated on 01 March 2004 and has been in existence for over 22 years.
The company is registered with the Registrar of Companies (ROC), Kolkata, under CIN U27102WB2004PLC097962. Its GSTIN is 19AACCC5773H1ZF (West Bengal).
The company has an authorised share capital of ₹5 Cr and a paid-up capital of ₹3.84 Cr. It was formerly known as Calstar Sponge Pvt Limited. It is led by directors including Tulsi Ram Agarwal and Rajiv Agarwal.
Its last annual general meeting (AGM) was held on 30 September 2023, and its latest financial statements are for the year ended 31 March 2023. The registered office is at 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. For the same year it recorded a net profit of ₹17.8 Cr (net margin 4%) and EBITDA of ₹33.57 Cr (EBITDA margin 7.5%). Revenue has grown at a compounded annual rate (CAGR) of 7% over three years and 17% over five years.
The company has about 110 employees on its provident fund (EPFO) records.
As per MCA filings, the company has open charges of ₹85 Cr and satisfied charges of ₹42.5 Cr on record. Court records list 12 cases involving the company, including 7 filed by the company and 5 filed against it; 2 cases are pending.
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
- IndustryMetals and Minerals, Steel Manufacturing & Processing
- Company details, directors and signatories
- Historical financials and ratios
- Shareholding pattern and group structure
- Charges with holder and property details
- Legal cases, compliance and MCA filings
- One PDF report, delivered after checkout
Business Activity of Calstar Sponge Limited
The main business activity of Calstar Sponge is manufacturing. In detail, this covers 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
Turnover share and past changes in activity are in the company report.
- Turnover contribution
- Historical classifications
- Filing-level activity changes
Verified entity values are shown only after access is granted.
Financials of Calstar Sponge Limited FY 2023 filings available
Calstar Sponge Limited reported revenue of ₹447.25 Cr (down 2% YoY) for FY 2025.
Compounded Annual Growth Rate (CAGR) of Calstar Sponge Limited
Revenue fell 2% in the latest year, but over five years it has grown at a compounded annual rate (CAGR) of 17%. EBITDA fell 37% in the latest year. Three- and five-year figures are compounded annual growth rates (CAGR): the steady yearly rate that links the first and the last year. All are worked out from the filed statements.
Financial Statement Summary of Calstar Sponge Limited
| Metrics | FY 2024-25 | FY 2023-24 | FY 2022-23 | FY 2021-22 | FY 2020-21 |
|---|---|---|---|---|---|
| Profit and Loss Statement | |||||
| Revenue from Operations | •••• | •••• | •••• | •••• | •••• |
| Other Income | •••• | •••• | •••• | •••• | •••• |
| Total Revenue | •••• | •••• | •••• | •••• | •••• |
| Cost of Materials Consumed | •••• | •••• | •••• | •••• | •••• |
| Employee Benefit Expense | •••• | •••• | •••• | •••• | •••• |
| Finance Costs | •••• | •••• | •••• | •••• | •••• |
| Depreciation and Amortisation | •••• | •••• | •••• | •••• | •••• |
| Other Expenses | •••• | •••• | •••• | •••• | •••• |
| Total Expenses | •••• | •••• | •••• | •••• | •••• |
| EBITDA | ₹33.57 Cr | •••• | •••• | •••• | •••• |
| Profit Before Tax | •••• | •••• | •••• | •••• | •••• |
| Tax Expense | •••• | •••• | •••• | •••• | •••• |
| Net Profit (PAT) | ₹17.8 Cr | •••• | •••• | •••• | •••• |
| Balance Sheet | |||||
| Share Capital | •••• | •••• | •••• | •••• | •••• |
| Reserves and Surplus | •••• | •••• | •••• | •••• | •••• |
| Net Worth (Total Equity) | •••• | •••• | •••• | •••• | •••• |
| Long-term Borrowings | •••• | •••• | •••• | •••• | •••• |
| Short-term Borrowings | •••• | •••• | •••• | •••• | •••• |
| Trade Payables | •••• | •••• | •••• | •••• | •••• |
| Total Liabilities | •••• | •••• | •••• | •••• | •••• |
| Fixed Assets | •••• | •••• | •••• | •••• | •••• |
| Investments | •••• | •••• | •••• | •••• | •••• |
| Inventories | •••• | •••• | •••• | •••• | •••• |
| Trade Receivables | •••• | •••• | •••• | •••• | •••• |
| Cash and Bank Balance | •••• | •••• | •••• | •••• | •••• |
| Total Assets | •••• | •••• | •••• | •••• | •••• |
Financial Ratios of Calstar Sponge Limited
| Metrics | FY 2024-25 | FY 2023-24 | FY 2022-23 | FY 2021-22 | FY 2020-21 |
|---|---|---|---|---|---|
| Profitability | |||||
| EBITDA Margin | 7.5% | •••• | •••• | •••• | •••• |
| Net Profit Margin | 4% | •••• | •••• | •••• | •••• |
| Return on Equity (ROE) | •••• | •••• | •••• | •••• | •••• |
| Return on Capital Employed (ROCE) | •••• | •••• | •••• | •••• | •••• |
| Return on Assets (ROA) | •••• | •••• | •••• | •••• | •••• |
| Liquidity and Debt | |||||
| Current Ratio | •••• | •••• | •••• | •••• | •••• |
| Quick Ratio | •••• | •••• | •••• | •••• | •••• |
| Debt-to-Equity Ratio | •••• | •••• | •••• | •••• | •••• |
| Interest Coverage Ratio | •••• | •••• | •••• | •••• | •••• |
| Efficiency and Growth | |||||
| Asset Turnover | •••• | •••• | •••• | •••• | •••• |
| Receivable Days | •••• | •••• | •••• | •••• | •••• |
| Payable Days | •••• | •••• | •••• | •••• | •••• |
| Inventory Days | •••• | •••• | •••• | •••• | •••• |
| Revenue Growth | •••• | •••• | •••• | •••• | •••• |
| Net Profit Growth | •••• | •••• | •••• | •••• | •••• |
Paid data: the figures shown as dots are available after purchase of the company report. Figures as filed with the MCA in Form AOC-4. The full year-wise statements and ratios of Calstar Sponge are in the company report.
Financial statements from 2015
Earlier years and trend charts are in the company report.
- Income statements
- Balance sheets
- Cash-flow statements
- Ratios and benchmarks
Verified entity values are shown only after access is granted.
Board of Directors of Calstar Sponge Limited
Calstar Sponge has 4 directors on record. No former directors are listed.
| Name | Designation | Appointment Date | Tenure | Status |
|---|---|---|---|---|
| Tulsi Ram Agarwal | Director | 01 Mar 2004 | 22 Years 7 Months | Current |
| Rajiv Agarwal | Director | 01 Mar 2004 | 22 Years 7 Months | Current |
| Vikas Agarwal | Director | 01 Mar 2007 | 19 Years 7 Months | Current |
| Vinay Agarwal | Director | 01 Mar 2004 | 22 Years 7 Months | Current |
Peer Comparison of Calstar Sponge Limited
Calstar Sponge Limited is compared with the companies closest to it by revenue in the Metals and Minerals industry (Steel). Net profit, margin and employee counts of each company are in the company report.
| Company | Revenue | Net profit | Margin | Growth (1 yr) | Employees | Location |
|---|---|---|---|---|---|---|
| Tehri Iron & Steel Casting Private Limited | ₹451.75 Cr (FY 2025) | •••• | •••• | 5.0% | •••• | Delhi, India |
| Shree Hanuman Loha Private Limited | ₹451.15 Cr (FY 2025) | •••• | •••• | -14.0% | •••• | Raipurc, Chhattisgarh, India |
| Jai Balaji Jyoti Steels Limited | ₹450.39 Cr (FY 2025) | •••• | •••• | 6.0% | •••• | Rourkela, Odisha, India |
| Utkarsh Bars Private Limited | ₹449.09 Cr (FY 2025) | •••• | •••• | 10.0% | •••• | Ahmedabad, Gujarat, India |
| Gitansh International Private Limited | ₹448.45 Cr (FY 2025) | •••• | •••• | -7.0% | •••• | Ludhiana, Punjab, India |
| Calstar Sponge Limited this company | ₹447.25 Cr (FY 2025) | •••• | •••• | -2.0% | •••• | Kolkata, West Bengal, India |
| Vandana Ispat Private Limited | ₹446.58 Cr (FY 2024) | •••• | •••• | -6.0% | •••• | Raipur, Chhattisgarh, India |
| Salagram Power and Steel Private Limited | ₹446.5 Cr (FY 2025) | •••• | •••• | -11.0% | •••• | Kolkata, West Bengal, India |
| Vardhman Industries Limited | ₹445.23 Cr (FY 2022) | •••• | •••• | 28.0% | •••• | Mumbai, Maharashtra, India |
| S.Pyarelal Ispat Private Limited | ₹445.16 Cr (FY 2024) | •••• | •••• | -1.0% | •••• | Raipur, Chhattisgarh, India |
| Shri Badrinarain Alloys & Steel Ltd. | ₹444.62 Cr (FY 2018) | •••• | •••• | -12.0% | •••• | Howrah, West Bengal, India |
Peers are the five companies nearest above and the five nearest below Calstar Sponge by revenue in the Metals and Minerals industry (Steel), from the latest filed financials of each company. Net profit, margin and employee counts of each peer are in the company report.
Auditor Details of Calstar Sponge Limited
Calstar Sponge Limited is audited by K. KEJRIWAL & CO. for the financial year 2023.
| Name | Status | Appointment Date | Cessation Date |
|---|---|---|---|
| K. KEJRIWAL & CO. | Locked | Locked | Locked |
Complete auditor history
Appointment and cessation dates and past auditor changes are in the company report.
- Appointment status
- Appointment dates
- Cessation dates
- Auditor changes
Verified entity values are shown only after access is granted.
Ownership and Shareholding of Calstar Sponge Limited
Shareholding and ownership data
Promoter, institutional, public and beneficial ownership figures are in the company report.
- Ownership categories
- Historical changes
- Group structure
- FII and DII holdings
Verified entity values are shown only after access is granted.
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
Legal Cases of Calstar Sponge Limited
Calstar Sponge Limited has 12 court cases on record: 7 filed by Calstar Sponge, 5 filed against it. 2 cases are pending and 10 are disposed. Status as checked between 21 Sep 2026 and 04 Oct 2026.
Cases by court
| Court | Cases | Against the company | Pending |
|---|---|---|---|
| High courts | 10 | 3 | 1 |
| District courts | 2 | 2 | 1 |
Cases on record (5 of 12)
| Court | Type of case | Party | Status |
|---|---|---|---|
| Calcutta High Court | Writ petition | Filed by the company against The Durgapur Projects Ltd | Disposed |
| Calcutta High Court | Court case (APO) | Filed against the company by Hitech Engineering Corporation India Private Limited | Disposed |
| Calcutta High Court | Civil suit | Filed against the company by Hitech Engineering Corporation India Private Limited | Disposed |
| District court, Rangareddy, Telangana | Civil suit | Filed against the company by Adarsh Enterprises | Pending |
| Calcutta High Court | Writ petition | Filed by the company against West Bengal Electricity Regulatory Commission | Pending |
Full case history
All 12 cases with case numbers, court, year-wise trend, opposite parties and decision dates are in the company report.
- Every case with its case number
- Year-wise trend
- Opposite parties
- Decision dates and orders
Verified entity values are shown only after access is granted.
Case records are compiled from court listings and may lag the court's own records. A case filed against a company is not a finding against it.
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
Monthly headcount, contribution history and filing status are in the company report.
- Monthly headcount
- PF contributions
- ECR filing status
- Establishment history
Verified entity values are shown only after access is granted.
Group Structure of Calstar Sponge Limited
Calstar Sponge has 1 associated company. This group structure data is as of FY 2023. The table lists each entity with its relationship and holding.
Recent Activity on Calstar Sponge Limited
Calstar Sponge Limited has 4 board changes on record since 2004: 4 appointments. The latest: Vikas Agarwal was appointed as Director on 01 Mar 2007.
8 earlier events are listed in the company report.
Credit Ratings, Litigation & Regulatory Alerts for Calstar Sponge Limited
Credit ratings, litigation, and regulatory alerts
Credit ratings, court records and regulatory alerts are in the company report.
- Rating history
- Court and tribunal cases
- Regulatory alerts
- Director-linked violations
Verified entity values are shown only after access is granted.
MSME Payment Delays by Calstar Sponge Limited
MSME payment history
Amounts due to small suppliers, the reasons given and MSME-1 filings are in the company report.
- Outstanding amounts
- Delay periods and reasons
- MSME-1 filing history
- Vendor payment signals
Verified entity values are shown only after access is granted.
Subsidiaries & Group Companies of Calstar Sponge Limited
Corporate group structure
Parent, subsidiary, associate and joint venture records with holdings are in the company report.
- Parent company
- Subsidiaries and ownership
- Associates and joint ventures
- Entity investments
Verified entity values are shown only after access is granted.
GST Compliance of Calstar Sponge Limited
Calstar Sponge has 1 GST registration: 1 active.
| GSTIN | State | Status | Registered on |
|---|---|---|---|
| 19AACCC5773H1ZF | West Bengal | Active | 01 Jul 2017 |
GST registrations and filing compliance
State-wise GST registrations, return filing status and HSN or SAC codes are in the company report.
- GSTIN registrations
- State-wise filing status
- HSN and SAC details
- Tax jurisdiction records
Verified entity values are shown only after access is granted.
MCA Filings & Documents of Calstar Sponge Limited
MCA filings and documents
Filed forms, annual returns, financial statements and charge filings with their dates are in the company report.
- Incorporation documents
- Annual returns and statements
- Charge filings
- Complete filing index
Verified entity values are shown only after access is granted.
Frequently Asked Questions about Calstar Sponge Limited
Calstar Sponge is an active public limited company based in Kolkata, West Bengal, India. The company works in steel manufacturing and processing, within the metals and minerals industry. It was incorporated on 01 March 2004 (22+ years old) and is registered under CIN U27102WB2004PLC097962.
Calstar Sponge reported revenue of ₹447.25 Cr for FY 2025 (down 2% YoY).
Calstar Sponge has 4 current directors:
- Tulsi Ram Agarwal - Director
- Rajiv Agarwal - Director
- Vikas Agarwal - Director
- Vinay Agarwal - Director
Calstar Sponge reported a net profit of ₹17.8 Cr (net margin 4%) and EBITDA of ₹33.57 Cr (EBITDA margin 7.5%) for FY 2025, as per its filed financial statements.
The compounded annual growth rate (CAGR) of the revenue of Calstar Sponge is 7% over three years and 17% over five years. In the latest year (FY 2025) revenue fell 2%. CAGR is the steady yearly rate that links the first and the last year.
The GSTIN of Calstar Sponge is 19AACCC5773H1ZF, registered in West Bengal.
The CIN (Corporate Identification Number) of Calstar Sponge is U27102WB2004PLC097962. It is issued by the Ministry of Corporate Affairs under the Companies Act, 2013, and uniquely identifies the company in India.
Calstar Sponge has 12 court cases on record: 7 filed by the company and 5 filed against it. 2 are pending. Most are in the high courts.
Calstar Sponge was incorporated on 01 March 2004, making it 22+ years old. It is registered with the Registrar of Companies, Kolkata.
The peers of Calstar Sponge by revenue are Tehri Iron & Steel Casting Private Limited, Shree Hanuman Loha Private Limited, Jai Balaji Jyoti Steels Limited, Utkarsh Bars Private Limited, Gitansh International Private Limited and 5 more, all in the Metals and Minerals industry (Steel).
Vikas Agarwal was appointed as Director on 01 Mar 2007. Rajiv Agarwal was appointed as Director on 01 Mar 2004. Tulsi Ram Agarwal was appointed as Director on 01 Mar 2004. Calstar Sponge has 4 board changes on record in total.