Registered office
Thayagam Street,
Karaikudi – 630 002,
Tamilnadu, INDIA

Work Address
Alagappa University,
Institute and Industrial Collabration Cell
University Hostel Campus
Karaikudi – 630 003, Tamilnadu, INDIA

Sales office
3rd Cross Street, KK Nagar
Madurai – 625 020, Tamilnadu, INDIA

Overseas office
03-Jurong west st 65
Singapore - 643568

India
Office: +91 – (0)4565 – 228 099
Mobile: +91 – 9444 877 555 (Enquiry)
Mobile: +91 – 8220 020 060 (Sales)
Email: info@grttech.com
Singapore
Office: +65 - 83610055