NDC National Development Consultants Pakistan, was established and organized by Engr. S.N.H. Mashhadi along with Engr. Aman-ul-Haq Enver in December 1977. Engr. Barkat Ali Luna joined the Firm later as third Partner and its Chairman soon after its creation. Engr. Mashhadi remained associated with the implementation of some of the major components of the Indus Basin Replacement works under the aegis of the IBRD where he got opportunities to work with international consultants. He was the author of dozens of engineering articles published in national and international magazines.
He participated in many international conferences and seminars and presented these articles at such forums. He remained President of Pakistan Engineering Congress (PEC) and Association of Consulting Engineers Pakistan (ACEP).
NDC achieved its present top-notch position,, as a consulting firm, under his talented leadership. He remained its Managing Partner right from its inception till his sad demise on February 2, 2001. Engr. Mashhadi's services for NDC in particular and his appreciable & valuable contributions for the development of Pakistan Engineering Congress and Institute of Engineers of Pakistan in general will long be remembered. He served Pakistan Engineering Congress for more than forty years as its President, Secretary and Convener of different committees