STONE BIO-TECH PRIVATE LIMITED
CIN U90000WB2011PTC162800
STONE BIO-TECH PRIVATE LIMITED is a private company limited by shares incorporated on 20 May 2011, registered with the Registrar of Companies, Kolkata and based in West Bengal. MCA classifies its main business activity as community, personal and social services. Its status on the MCA register is "Strike Off".
Key details
| CIN | U90000WB2011PTC162800 |
|---|---|
| Status | Strike Off |
| Incorporation date | 20 May 2011 |
| Time since incorporation | 15 years, 5 months |
| Registrar of Companies | ROC Kolkata |
| Company class | Private |
| Category | Company limited by shares |
| Activity (MCA classification) | Community, personal and Social Services |
| Authorised capital | ₹1,00,00,000 |
| Paid-up capital | ₹38,00,000 |
| Registered state | West Bengal |
| Registered office PIN | 700088 |
Data as of 1 June 2026. Source: Ministry of Corporate Affairs (MCA).
What does this CIN mean?
A Corporate Identity Number (CIN) is a 21-character code given to every company registered in India. U90000WB2011PTC162800 breaks down as follows:
| Part | Value | Meaning |
|---|---|---|
| 1st character | U | Listing status code (U) |
| Characters 2–6 | 90000 | Industry (NIC) code for the company's main activity at registration. |
| Characters 7–8 | WB | State code of the Registrar's records (this company is registered in West Bengal). |
| Characters 9–12 | 2011 | Year of incorporation: 2011. |
| Characters 13–15 | PTC | Ownership / company type code. |
| Characters 16–21 | 162800 | Registration number given by the Registrar of Companies. |
Companies with the same activity code in West Bengal
- CLTS FOUNDATION GLOBALActive
- SD UTILITY PRIVATE LIMITEDActive
- ECOTEK SOLUTIONS PRIVATE LIMITEDActive
- DOLPHIN TECHNO WASTE MANAGEMENT PRIVATE LIMITEDActive
- TIME TECH WASTE SOLUTIONS PRIVATE LIMITEDActive
- WHOOPPRR VENTURES PRIVATE LIMITEDActive
- PROTECSTER INDIA PRIVATE LIMITEDActive
- PIONEER WELMAN INTERNATIONAL PRIVATE LIMITEDActive
Companies registered in the same area
Registered office PIN starting 700
1,96,033 companies, of which 1,16,099 are active.
Most common activities:
- Trading (62,635)
- Business Services (33,109)
- Real Estate and Renting (22,204)
West Bengal
2,59,211 companies, of which 1,56,614 are active.
Most common activities:
- Trading (75,757)
- Business Services (43,333)
- Real Estate and Renting (26,221)
Source: MCA company data, as of 1 June 2026.
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