On July 7, 2006, the NHAI and IDAAIPL entered into a concession agreement in respect of the Bharuch-Surat NH 8 Project. IDAAIPL was engaged to expand a 65.00 km section of NH 8 between Bharuch and Surat in Gujarat to four or six lanes on a BOT basis. Construction on the project commenced on January 2, 2007. The project was completed on March 14, 2011.

As per the relevant concession agreement, the Bharuch–Surat NH 8 Project comprises the section of NH 8 from km 198.00 to km 263.00. According to the Traffic Reports, the project features:

• 47.35 km of six-lane carriageway
• 17.65 km of four-lane carriageway
• 27.5 km of service road
• 14 major bridges
• 33 minor bridges
• 6 flyovers
• 3 railway-over-bridges
• 83 culverts
• 10 pedestrian underpasses
• 1 vehicular underpasses
• 6 major intersections
• 19 bus bays
• 1 toll plaza complex

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