National NDT (Training & Certification) Services: NDT courses in india / NDT courses fees / NDT courses in Visakapatnam / NDT courses for mechanical engineers / NDT course details. For More Details Visit : www.nationalndt-india.com  | Email : training@nationalndt-india.com  | Contact Person : V.SATYANARAYANA (Managing Director)  Mobile : +91 8686748989   | Office (Land Line) : 0891-2703456