: V.SATYANARAYANA (Managing Director) |  Mobile : +91 8686748989   | Office (Land Line) : 0891-2703456 NDT Training In Visakhapatnam (Vizag) | NDT Courses in Visakhapatnam (Vizag)  | NDT Institute In Visakhapatnam (Vizag)NATIONAL V.SATYANARAYANA (Managing Director) |  Mobile : +91 8686748989   | Office (Land Line) : 0891-2703456