Bio Speciality Assay Lab Private Limited
About Bio Speciality Assay Lab Private Limited
Data last updated:
Bio Speciality Assay Lab Private Limited is a private limited company based in Kolkata, West Bengal, India. It operates in the diagnostic centers and pathology labs segment of the healthcare sector. It was incorporated on 06 July 1987 and has been in existence for over 39 years.
The company is registered with the Registrar of Companies (ROC), Kolkata, under CIN U24232WB1987PTC042644.
The company has an authorised share capital of ₹6 Lakh and a paid-up capital of ₹5.02 Lakh. It was formerly known as B.A.B. Chem Ltd. It is led by directors including Vinay B Kapadia and Birupaksha Sarkar.
Its last annual general meeting (AGM) was held on 29 September 2025, and its latest financial statements are for the year ended 31 March 2025. The registered office is at Kolkata, West Bengal.
As per the financials filed for FY 2025, the company reported a revenue of ₹2.23 Cr, a decline of 4% compared to the previous year. For the same year it recorded a net loss of ₹15.98 Lakh (net margin -7.2%) and EBITDA of -₹10.78 Lakh (EBITDA margin -4.8%). Revenue has declined at a compounded annual rate (CAGR) of 8% over three years and 7% over five years.
As per MCA filings, the company has open charges of ₹8.13 Lakh on record. Court records list 1 case involving the company, including 1 filed by the company; 1 case is pending.
The current compliance status is marked as compliant by the Registrar of Companies.
Company details
Name history
Bio Speciality Assay Lab has undergone 3 name changes throughout its history. The company was previously known as Bio Speciality Assay Lab Private Limited, B.A.B. Chem Ltd, and Bio Speciality Assay Lab Limited. The current legal name is Bio Speciality Assay Lab Private Limited.
| Company Name | Status |
|---|---|
| Bio Speciality Assay Lab Private Limited | Current |
| B.A.B. Chem Ltd | Previous |
| Bio Speciality Assay Lab Limited | Previous |
CIN history
Bio Speciality Assay Lab has 2 previous CINs, indicating changes in the company's corporate structure or registration details. The current CIN is U24232WB1987PTC042644, which is the unique identifier assigned by the Registrar of Companies.
| CIN | Status |
|---|---|
| U24232WB1987PTC042644 | Current |
| U91397WB1987PTC042644 | Previous |
| U24232WB1987PLC042644 | Previous |
Contact details
Bio Speciality Assay Lab Private Limited's registered office is in Kolkata, West Bengal. Its e-mail address and telephone number are in the company report.
- Email
- Telephone
- Registered Address13 Lala Rajpat Rai Sarani 3rd Floor Room No. 3C (Formerly Elgin Ro, Ad), Kolkata, West Bengal, India – 700020
- IndustryHealthcare, Diagnostic Centers & Pathology Labs
To see the full contact details of Bio Speciality Assay Lab Private Limited, buy the company report.
- 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
Business activity
The main business activity of Bio Speciality Assay Lab is hospital and medical care. In detail, this covers medical and dental practice, nursing, pathology, blood bank services, etc..
| Main activity group code | Main activity | Business activity code | Business activity | Share of turnover |
|---|---|---|---|---|
| Q | Hospital and Medical Care | Q2 | Medical and dental practice, Nursing, pathology, blood bank services, etc. |
To see the full business activity and turnover split of Bio Speciality Assay Lab Private Limited, buy the company report.
Financials of Bio Speciality Assay Lab Private Limited
FY 2025 filings availableBio Speciality Assay Lab Private Limited reported revenue of ₹2.23 Cr (down 4% YoY) for FY 2025.
Compounded Annual Growth Rate (CAGR)
Revenue has declined at a compounded annual rate (CAGR) of 7% over five years, including a 4% fall in the latest year. EBITDA fell 13% 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
| Metrics | FY 2024-25 | FY 2023-24 | FY 2022-23 | FY 2021-22 | FY 2020-21 |
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| EBITDA | -₹10.78 Lakh | ||||
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| Net Profit (PAT) | -₹15.98 Lakh | ||||
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Financial Ratios
| Metrics | FY 2024-25 | FY 2023-24 | FY 2022-23 | FY 2021-22 | FY 2020-21 |
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| Profitability | |||||
| EBITDA Margin | -4.8% | ||||
| Net Profit Margin | -7.2% | ||||
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To see the full financial statements and ratios of Bio Speciality Assay Lab Private Limited, buy the company report.
Board of directors of Bio Speciality Assay Lab Private Limited
Bio Speciality Assay Lab has 3 current directors and 2 former directors. Current directors are listed first, with their designation and appointment date.
| Name | Designation | Appointment Date | Tenure | Status |
|---|---|---|---|---|
| Vinay B Kapadia Also directs: Reltech Biomedical Systems Ltd, B A & Brothers (Eastern) Private Ltd, Kapadia Trading Private Limited and 1 more | Director | 06 Jul 1987 | 39 Years 4 Months | Current |
| Birupaksha Sarkar Also directs: Reltech Biomedical Systems Ltd | Director | 01 Jan 2007 | 19 Years 10 Months | Current |
| Narayani Sarkar Also directs: Reltech Biomedical Systems Ltd | Director | 30 Sep 2009 | 17 Years 1 Months | Current |
Auditor
Bio Speciality Assay Lab Private Limited is audited by S.K.MALLICK & CO for the financial year 2023.
| Auditor firm | Financial year | Firm registration number |
|---|---|---|
| S.K.MALLICK & CO | FY 2023 | 324892E |
Shareholding
The shareholding of Bio Speciality Assay Lab Private Limited is on record for 5 financial years, the latest being FY 2023, split between promoters, domestic institutions, foreign institutions, public shareholders and others.
| Shareholder category | FY 2023 | FY 2022 | FY 2021 | FY 2020 | FY 2019 |
|---|---|---|---|---|---|
| Promoters | |||||
| Domestic institutional investors (DII) | |||||
| Foreign institutional investors (FII) | |||||
| Public | |||||
| Others |
To see the full shareholding pattern of Bio Speciality Assay Lab Private Limited, buy the company report.
Charges & borrowings
| Date | Charge ID | Lender | Amount | Status | Modified or satisfied on |
|---|---|---|---|---|---|
| 18 Jun 2024 | 100986366 | Hdfc Bank Limited | ₹8.13 Lakh | Open |
Total charge records: 1 View all charges
Legal cases
Bio Speciality Assay Lab Private Limited has 1 court case on record: 1 filed by Bio Speciality Assay Lab. All case is pending.
Cases by court
| Court | Cases | Against the company | Pending |
|---|---|---|---|
| District courts | 1 | 0 | 1 |
Cases on record (1 of 1)
| Court | Type of case | Party | Status |
|---|---|---|---|
| District court, South Twenty Four Parganas, West Bengal | Criminal complaint | Filed by the company against an individual | Pending |
To see the full case history of Bio Speciality Assay Lab Private Limited, buy the company report.
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.
MSME payment delays
No delayed payments to MSME suppliers are on our record for Bio Speciality Assay Lab Private Limited; the supplier-wise MSME Form 1 check is in the company report Buy the company report.
GST
No GST registration is on our record for Bio Speciality Assay Lab Private Limited; the GSTIN and return-filing check is in the company report Buy the company report.
Recent activity
Bio Speciality Assay Lab Private Limited has 5 board changes on record since 1987: 3 appointments and 2 cessations. The latest: Bhupendra Kapadia ceased to be Director on 30 Sep 2009.
Frequently asked questions
Bio Speciality Assay Lab is an active private limited company based in Kolkata, West Bengal, India. The company works in diagnostic centers and pathology labs, within the healthcare industry. It was incorporated on 06 July 1987 (39+ years old) and is registered under CIN U24232WB1987PTC042644.
Bio Speciality Assay Lab has 3 current directors:
- Vinay B Kapadia - Director
- Birupaksha Sarkar - Director
- Narayani Sarkar - Director
The latest financial statements of Bio Speciality Assay Lab on record with the MCA are for the year ended 31 March 2025. Its last annual general meeting was held on 29 September 2025. Year-wise statements from 2015 are in the company report.
The CIN (Corporate Identification Number) of Bio Speciality Assay Lab is U24232WB1987PTC042644. It is issued by the Ministry of Corporate Affairs under the Companies Act, 2013, and uniquely identifies the company in India.
Bio Speciality Assay Lab has 1 court case on record: 1 filed by the company. 1 is pending.
Bio Speciality Assay Lab was incorporated on 06 July 1987, making it 39+ years old. It is registered with the Registrar of Companies, Kolkata.
Bhupendra Kapadia ceased to be Director on 30 Sep 2009. Kusum Kapadia Bhupendra ceased to be Director on 30 Sep 2009. Narayani Sarkar was appointed as Director on 30 Sep 2009. Bio Speciality Assay Lab has 5 board changes on record in total.
The registered office of Bio Speciality Assay Lab is at 13 Lala Rajpat Rai Sarani 3rd Floor Room No. 3C Formerly Elgin Ro, Ad, Kolkata, West Bengal, India – 700020.
Bio Speciality Assay Lab operates in the healthcare industry, in the diagnostic centers and pathology labs segment.
Bio Speciality Assay Lab has open charges of ₹8.13 Lakh and no satisfied charges on record as per latest MCA filings.
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