HT
Hariharan Thiagarajan
About Hariharan Thiagarajan
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Hariharan Thiagarajan is a Director at Ramco Industries Limited (since 2024) and Director at Entro Labs Private Limited (since 2022). The companies operate in Manufacturing, Chemicals and FMCG. The 2 current companies with reported revenue have a combined latest revenue of ₹1,674 Cr; the largest is Ramco Industries Limited at ₹1,674 Cr (FY 2025). Earlier, Hariharan Thiagarajan was a Managing Director at Hfl Healthcare And Wellness Private Limited (2004–2010) and Director at Ttk Protective Devices Limited (from 2011) and 1 more.
Current companies
| Company | Designation | Appointment | Founded | Revenue | Status |
|---|---|---|---|---|---|
 Ramco Industries Limited L26943TN1965PLC005297 | Director | 01 Feb 2024 | 1965 | ₹1,674 Cr (FY 2025) | Active |
 Entro Labs Private Limited U24100TN2010PTC186156 | Director | 27 May 2022 | 2010 | ₹16.4 Lakh (FY 2026) | Active |
Previous companies
| Company | Designation | Appointment | Founded | Revenue | Status |
|---|---|---|---|---|---|
 Hfl Healthcare And Wellness Private Limited U24232TN1994PTC048002 | Managing Director | 06 Oct 2004 | 1994 | ₹92.99 Cr (FY 2025) | Active |
 Ttk Protective Devices Limited U25199TN1963PLC004982 | Director | 02 May 2011 | 1963 | ₹89.05 Cr (FY 2017) | Amalgamated |
| Tsl Techno Services Limited U72200TN1999PLC042326 | Director | 24 Apr 2000 | 1999 | ₹10 Lakh (FY 2017) | Amalgamated |
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Board colleagues of Hariharan Thiagarajan
| Name | DIN | Company | Designation |
|---|---|---|---|
| Ajay Bhaskar Baliga | 00030743 | Ramco Industries Limited | Director |
| Nambur Krishnama Raja Shrikantan Raja | 00350693 | Ramco Industries Limited | Director |
| Poosapadi Venketrama Raja Abinavramasubramaniamraja | 07273249 | Ramco Industries Limited | Managing Director |
| Posapadi Perumal Subba Raja Janarthana Raja | 06702871 | Ramco Industries Limited | Director |
| Prem Shanker | Ramco Industries Limited | Ceo | |
| Pusapadi Ramasubramania Raja Venketrama Raja | 00331406 | Ramco Industries Limited | Director |
| Sankaranarayanan Kulathu | Ramco Industries Limited | Cfo | |
| Sinthalapadi Srirenga Raja Ramachandra Raja | 00331491 | Ramco Industries Limited | Director |
| Somasundaram Bala Muruga Sundaram | Ramco Industries Limited | Company Secretary | |
| Soundara Kumar | 01974515 | Ramco Industries Limited | Director |
| Ravi | 02024532 | Entro Labs Private Limited | Director |
Directorship timeline
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Frequently Asked Questions about Hariharan Thiagarajan
Hariharan Thiagarajan currently holds 2 directorships: Ramco Industries Limited (Director, since 01 Feb 2024, revenue ₹1,674 Cr (FY 2025)); Entro Labs Private Limited (Director, since 27 May 2022, revenue ₹16.4 Lakh (FY 2026)).
Hariharan Thiagarajan was first appointed on 24 Apr 2000 as Director at Tsl Techno Services Limited. The most recent appointment on record is 01 Feb 2024 at Ramco Industries Limited.
The 2 current companies of Hariharan Thiagarajan that report revenue have a combined latest revenue of ₹1,674 Cr: Ramco Industries Limited ₹1,674 Cr (FY 2025); Entro Labs Private Limited ₹16.4 Lakh (FY 2026).
Hariharan Thiagarajan held 3 earlier board appointments: Hfl Healthcare And Wellness Private Limited (Managing Director, 06 Oct 2004 to 16 Jul 2010); Ttk Protective Devices Limited (Director, from 02 May 2011); Tsl Techno Services Limited (Director, from 24 Apr 2000).
The current boards of Hariharan Thiagarajan's companies include Ajay Bhaskar Baliga (Ramco Industries Limited), Nambur Krishnama Raja Shrikantan Raja (Ramco Industries Limited), Poosapadi Venketrama Raja Abinavramasubramaniamraja (Ramco Industries Limited), Posapadi Perumal Subba Raja Janarthana Raja (Ramco Industries Limited), Prem Shanker (Ramco Industries Limited), Pusapadi Ramasubramania Raja Venketrama Raja (Ramco Industries Limited), among others.