RSB TESTING LABORATORY PRIVATE LIMITED
CIN U74900WB2025PTC275939
RSB TESTING LABORATORY PRIVATE LIMITED is a private limited company incorporated on 22 January 2025. Its CIN is U74900WB2025PTC275939 and it is registered in Kolkata, West Bengal. Its main business activity is other professional, scientific and technical activities (NIC 74900). It has an authorised capital of ₹10,00,000 and a paid-up capital of ₹1,00,000. Its directors are SANJAY DAS and RUBELA DAS.
Company details
- Name
- RSB TESTING LABORATORY PRIVATE LIMITED
- CIN
- U74900WB2025PTC275939
- Type
- Private Limited Company
- Date of incorporation
- 22 January 2025
- Registrar of Companies
- —
- Category
- Company limited by shares
- Sub-category
- Non-government company
- Authorised capital
- ₹10,00,000
- Paid-up capital
- ₹1,00,000
- Business activity
- Other professional, scientific and technical activities
- NIC code
- 74900
- State
- West Bengal
- District
- Kolkata
Registered office: 13C BEADON STREET, Kolkata, West Bengal, 700006
Directors
- SANJAY DASDirector
- RUBELA DASDirector
First-year compliance calendar
Due dates worked out from the incorporation date. Check the latest MCA notifications for extensions.
| Compliance | Due |
|---|---|
| First board meetingwithin 30 days of incorporation | 21 February 2025 |
| Appoint the first auditorby the board, within 30 days | 21 February 2025 |
| Issue share certificateswithin 60 days of incorporation | 23 March 2025 |
| Commencement of business (INC-20A)within 180 days, after subscribers pay for their shares | 21 July 2025 |
| Director KYC (DIR-3 KYC)every year, for each director's DIN | 30 September 2025 |
| Financial statements (AOC-4) and annual return (MGT-7A / MGT-7)AGM due by 31 December 2025; AOC-4 within 30 days and MGT-7 within 60 days of it | after the first AGM |
What the CIN U74900WB2025PTC275939 means
- U — listing
- Unlisted
- 74900 — industry (NIC)
- Other professional, scientific and technical activities
- WB — state / ROC code
- West Bengal
- 2025 — year of incorporation
- 2025
- PTC — ownership
- Private Limited Company
- 275939 — registration number
- Serial number at the ROC
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Details from Ministry of Corporate Affairs records, last updated 12 October 2026.