Strata Geosystems (India) Pvt. Ltd. Receives CE Mark Along With IRC Accreditation PR Newswire MUMBAI, July 2, 2012 MUMBAI, July 2, 2012 /PRNewswire/ -- Strata Geosystems (India) Pvt. Ltd. announced that 'StrataGrid' is now not only a CE certified product but also accredited by the Highway Research Board of Indian Road Congress.