Nine Individuals from Construction Companies Charged With Various Alleged Offences

06 JAN 2026

On 6 January 2026, nine individuals were charged in Court with various alleged offences in relation to two former employees from Air Liquide Singapore (“ALSG”). The nine individuals are:

a) Thangavel Nagadurai (“Thangavel”) (48-year-old male Singaporean), a Director at Toyah Construction & Engineering Pte Ltd ("Toyah") at the material time of the offences;

b) Kalimuthu Arumugam (“Kalimuthu”) (54-year-old male Indian National and Singapore Permanent Resident), a Director of Technihub IEA Solutions Pte Ltd ("Technihub IEA") at the material time of the offences;

c) Sandran Ramalingam (“Sandran”) (56-year-old male Malaysian and Singapore Permanent Resident), a Director of Technihub IEA at the material time of the offences;

d) Lai Ngiap Kiah (“Lai”) (賴業嘉, 66-year-old male Singaporean), a Director at RCS Engineering Pte Ltd (“RCS”) at the material time of the offences;

e) Lim Siew Hock (“Lim”) (林秀福, 60-year-old male Singaporean), a Director of LDC General Construction Pte Ltd ("LDC") at the material time of the offences

f) Ng Teck Leng (“Ng”) (黄德龙, 61-year-old male Singaporean), a Director of LDC at the material time of the offences;

g) K Jaya Kumar (“Jaya Kumar”) (66-year-old male Singaporean), business owner of Ohm Instrumentation at the material time of the offences;

h) Suriamoorthy Subakaran (“Suriamoorthy”) (47-year-old male Indian National), a Project Manager at Bharath Electrical Engineering Pte Ltd (“Bharath Electrical”) at the material time of the offences; and

i) Vedaiyan Raja Mohan (“Vedaiyan”) (46-year-old male Indian National), a Director of Zhan Tech Pte Ltd (“Zhan Tech”) at the material time of the offences.

Alleged Corruption Offences Relating to Toyah, Technihub IEA, RCS, and a Senior Procurement Engineer at ALSG

2. On separate occasions between 2019 and 2021, Thangavel and Lai allegedly gave bribes to a senior procurement engineer at ALSG. Moreover, Kalimuthu allegedly conspired with Sandran to give bribes to the same senior procurement engineer. The bribes totalling S$160,000 were either inducements or rewards to further the business interests of Toyah, Technihub IEA and RCS with ALSG.

3. For their alleged actions, Thangavel and Lai each face one charge under Section 6(b) of the Prevention of Corruption Act (“PCA”). Kalimuthu and Sandran each face two charges under Section 6(b) read with Section 29 of the PCA, of which one is an amalgamated charge under Section 124(4) of the Criminal Procedure Code (“CPC”) and punishable under Section 124(8)(a)(ii) of the CPC.

Alleged Corruption and Falsification of Accounts Offences Relating to Ohm Instrumentation, LDC, and a Project Engineer at ALSG

4. Sometime in 2017, Jaya Kumar allegedly offered a bribe of at least $500 to Sundarraj Manikandan (“Sundarraj”)¹, a project engineer of ALSG at the material time, as an inducement to further the business interests between Ohm Instrumentation with ALSG.

5. Sometime in 2020, Lim allegedly conspired with Ng to give bribes of up to S$125,000 to Sundarraj as an inducement to further the business interests of LDC with ALSG.

6. On two separate occasions between December 2019 and September 2022, Lim allegedly conspired with Ng and Sundarraj to falsify two invoices amounting to S$179,570 as payments for works that were purportedly provided by LDC and Voltz Engineering Works Pte Ltd (a company operated by Sundarraj), which were in fact never performed.

7. For their alleged actions, Lim and Ng each face one charge for an offence punishable under Section 6(b) read with Section 29(a) of the PCA, and two charges for an offence punishable under Section 477A read with Section 109 of the Penal Code. Jaya Kumar faces one charge for an offence punishable under Section 6(b) of the PCA.

Other Alleged Falsification of Accounts and Corruption, Drug Trafficking and Other Serious Crimes (Confiscation of Benefits) Act Offences

8. On two separate occasions between June and August 2021, Suriamoorthy allegedly conspired with Sundarraj to falsify two invoices amounting to about S$130,000 as payments to Voltz Engineering Works Pte Ltd for works that were purportedly provided by Bharath Electrical, which were in fact never performed. These payments represented benefits from criminal conduct of another individual, and they were allegedly found to be in Suriamoorthy’s possession.

9. During the same period on two separate occasions, Suriamoorthy allegedly conspired with Vedaiyan to falsify two invoices amounting to S$113,200 as payments to Bharath Electrical for works that were purportedly provided by Zhan Tech, which were in fact never performed. These payments represented benefits from criminal conduct of another individual, and they were allegedly found to be in Vedaiyan’s possession.

10. For their alleged actions, Suriamoorthy and Vedaiyan face four charges and two charges, respectively, for an offence punishable under Section 477A read with Section 109 of the Penal Code. In addition, they each face two charges for an offence under Section 47(3) and punishable under 47(6)(a) of the Corruption, Drug Trafficking and Other Serious Crimes (Confiscation of Benefits) Act (Cap. 65A, 2000 Rev. Ed.).

11. Singapore adopts a strict zero-tolerance approach towards corruption. Any person convicted of a corruption offence under Section 6 of the Prevention of Corruption Act can be fined up to S$100,000 or sentenced to imprisonment not exceeding five years or to both. Any person convicted of an offence punishable under Section 477A of the Penal Code can be fined or sentenced to imprisonment of up to 10 years or both. Any person convicted of an offence under Section 47(6)(a) of the Corruption, Drug Trafficking and Other Serious Crimes (Confiscation of Benefits) Act (Cap. 65A, 2000 Rev. Ed.), can be fined up to S$500,000, sentenced to imprisonment of up to 10 years, or both. Any person convicted of an amalgamated charge punishable under Section 124(8)(a)(ii) of the Criminal Procedure Code can face twice the amount of punishment liable for that offence.

12. The Corrupt Practices Investigation Bureau (CPIB) looks into all corruption-related complaints and reports, including anonymous ones, and can be reached via the following channels:

a) Lodge an e-Complaint;
b) Email us at report@cpib.gov.sg;
c) Call the Duty Officer at 1800-376-0000; or
d) Write to us at the CPIB Headquarters @ 2 Lengkok Bahru, S159047.

13. Where possible, the report should include the following information:

a) Where, when and how did the alleged corrupt act happen?
b) Who was involved and what were their roles?
c) What was the bribe given and the favour shown?

14. Under the law, the identity of the person making the report will be kept confidential, except when the court finds that the person has made a false statement in his corruption complaint. Complainants may also choose not to reveal their personal details when lodging a corruption complaint.

15. Organisations are strongly advised to put in place robust procedures, in areas such as procurement and internal audit, to prevent falling victim to corrupt acts by their employees. Guidance for organisations on measures to prevent corruption can be found in PACT: A Practical Anti-Corruption Guide for Businesses in Singapore, which is available on CPIB’s website. Organisations are also strongly encouraged to obtain certification under the Singapore Standard (SS) ISO 37001 – Anti-Bribery Management Systems, which is designed to help organisations implement or enhance an anti-bribery management system to reduce corporate risk and costs related to bribery.

Reference Links:

¹Sundarraj had previously been convicted and sentenced to 39 months’ imprisonment on 30 December 2024 for various offences under the Prevention of Corruption Act and Penal Code, in relation to this case.

Corrupt Practices Investigation Bureau