NEW DELHI: The National Highways Authority of India (NHAI) is set to empanel experts from Indian Institutes of Technology (IITs), government technical institutions and other reputed organisations for “proof checking”, an independent third-party verification of design, drawings and hydrological or hydraulic studies of critical structures that are part of a highway project. The Authority has also prepared detailed guidelines regarding the procedure for “proof checking”, timelines and applicability. According to officials, existing contract agreements provide for proof checking of designs throug...