Approved by AICTE | Affiliated to Anna University, Chennai | NAAC-Accredited 'A' - Grade **
2(f) & 12(B) status (UGC) | ISO 9001:2015 Certified | NBA Accredited Programmes


Aim to setup one the finest advanced laboratory for Coating and Micro Machining


  • To develop nano composite coatings (Ni-SiC, Ni-TiO2, Ni-Al2O3, Ni-CNT, Ni-Si3N4 etc.,) over the metals and alloys for corrosion and wear resistance applications (Industrial, aerospace and automobile components).
  • To accomplish Micro Machining (Drilling) in the electronics, automotive, aerospace and industrial components.
  • To develop nano structured particles through Mechanical high energy ball milling method for Engineering and Non Engineering applications.
  • To develop a setup for production of metal matrix composites especially Aluminium Matrix Composite (AMC)

Digital Photographs of lab, products, important visitors with captions

Sona CNM Visitors

Honourable Anna University Vice Chancellor Dr.MK.Surappa(Centre) Sri.C.Valliappa, Chairman, Sona Group of Institution(Right), Sri.Chocko Valliappa, Vice Chairman, Sona Group of Institution & Sri. Sri.Thyagu Valliappa, Vice Chairman, Sona Group of Institution.

Sona CNM Visitors
Sona CNM Visitors

Dr.A.Jegan & Dr.P.Suresh describing the Industrial Project (TITAN) to Honourable Anna University Vice Chancellor Dr.MK.Surappa.