KS
Kalyan Sarkar
About Kalyan Sarkar
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Kalyan Sarkar is a Designated Partner at Bnbk Developer Llp (since 2015), Director at K A Inframetics Private Limited (since 2025) and Director at Durgajyoti Ventures Private Limited (since 2026), and holds 3 more current directorships. The companies operate in Real Estate and Construction, Construction and Metals and Minerals. The largest current company by reported revenue is Bnbk Developer Llp at ₹48,560 (FY 2023). Earlier, Kalyan Sarkar was a Director at Baba Shyam Metallics Private Limited (2007–2009) and Director at Pratham Suppliers Private Limited (2009–2019).
Current companies
| Company | Designation | Appointment | Founded | Revenue | Status |
|---|---|---|---|---|---|
 Bnbk Developer Llp AAD-1857 | Designated Partner | 01 Jun 2015 | 2015 | ₹48,560 (FY 2023) | Active |
| K A Inframetics Private Limited U45208WB2010PTC150313 | Director | 30 Sep 2025 | 2010 | Active | |
| Durgajyoti Ventures Private Limited U07100WB2026PTC288790 | Director | 10 Jul 2026 | 2026 | Active | |
| Utsha Reframers Private Limited U43299WB2006PTC109265 | Director | 05 Jul 2025 | 2006 | Active | |
| Jay Maa Tara Minchem Private Limited U14200RJ2013PTC042520 | Director | 15 May 2013 | 2013 | Active | |
| Jay Matajie Minchem Private Limited U14200RJ2013PTC041489 | Director | 15 Feb 2013 | 2013 | Active |
Previous companies
| Company | Designation | Appointment | Founded | Revenue | Status |
|---|---|---|---|---|---|
| Baba Shyam Metallics Private Limited U27100JH2007PTC012810 | Director | 15 May 2007 | 2007 | Under Process Of Striking Off | |
| Pratham Suppliers Private Limited U51101WB2009PTC131958 | Director | 15 Jan 2009 | 2009 | ₹2.8 Lakh (FY 2023) | Active |
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Board colleagues of Kalyan Sarkar
| Name | DIN | Company | Designation |
|---|---|---|---|
| Bijay Balasaria | 00770658 | Bnbk Developer Llp | Designated Partner |
| Gopal Kumar Naredi | 00565352 | Bnbk Developer Llp | Partner |
| Nieraj Kumar Prasad | 01228938 | Bnbk Developer Llp | Designated Partner |
| Subhash Chandra Balasaria | 00770642 | Bnbk Developer Llp | Designated Partner |
| Alok Kumar Gupta | 09385109 | K A Inframetics Private Limited , Utsha Reframers Private Limited | Additional Director |
| Alok Sarkar | 08651841 | K A Inframetics Private Limited , Utsha Reframers Private Limited | Director |
| Trilok Sarkar | 08651870 | K A Inframetics Private Limited , Utsha Reframers Private Limited | Director |
| Utsha Sarkar | 07759297 | K A Inframetics Private Limited , Utsha Reframers Private Limited | Director |
| Akarsh Dubey | 09297638 | Durgajyoti Ventures Private Limited | Director |
| Harshpal Singh | 03028294 | Jay Maa Tara Minchem Private Limited , Jay Matajie Minchem Private Limited | Director |
Directorship timeline
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Frequently Asked Questions about Kalyan Sarkar
Kalyan Sarkar currently holds 6 directorships: Bnbk Developer Llp (Designated Partner, since 01 Jun 2015, revenue ₹48,560 (FY 2023)); K A Inframetics Private Limited (Director, since 30 Sep 2025); Durgajyoti Ventures Private Limited (Director, since 10 Jul 2026); Utsha Reframers Private Limited (Director, since 05 Jul 2025); Jay Maa Tara Minchem Private Limited (Director, since 15 May 2013); and 1 more.
Kalyan Sarkar was first appointed on 15 May 2007 as Director at Baba Shyam Metallics Private Limited. The most recent appointment on record is 10 Jul 2026 at Durgajyoti Ventures Private Limited.
Kalyan Sarkar held 2 earlier board appointments: Baba Shyam Metallics Private Limited (Director, 15 May 2007 to 09 Jul 2009); Pratham Suppliers Private Limited (Director, 15 Jan 2009 to 22 Nov 2019).
The current boards of Kalyan Sarkar's companies include Bijay Balasaria (Bnbk Developer Llp), Gopal Kumar Naredi (Bnbk Developer Llp), Nieraj Kumar Prasad (Bnbk Developer Llp), Subhash Chandra Balasaria (Bnbk Developer Llp), Alok Kumar Gupta (K A Inframetics Private Limited), Alok Sarkar (K A Inframetics Private Limited), among others.