Need help to complaint about fake degree used for obtaining singapore pr

Mr.Raphel Arockiam who is a drop out of Raaja ITI Dindigal.624003 during 1999 to july 2001,as electrician Reg No 2371417 using fake Diploma certificate purchased through illegal means by money from Srinivasa Polytechnic Diploma, Mechanical Engineering, 1999 - 2002 has acquired Permanent Residency from Singapore S8281233D and this person is also not available in his singapore IC address too .​​ He is Employed as Arockiam Raphel | Mechanical Engineer | Civil & Structural and Marine Engineering | HyfluxLtd (Regn no. 200002722Z) | 80 Bendemeer Road | Hyflux Innovation Centre | Singapore 339949 | Mobile: +6585228041 | Main: (65) 6214 0777 | Email:raphel_arockiam@hyflux.com His old Passport number K0833074.​