Similarly, the Haryana government told a bench comprising Justices Madan B Lokur and Deepak Gupta that the work related to the 135-km long Western Peripheral Expressway, which connects Kundli to Palwal via Manesar in Haryana, was expected to be completed by June this year.
The Eastern Peripheral Expressway envisages signal-free connectivity between Ghaziabad, Faridabad, Gautam Budh Nagar (Greater Noida) and Palwal.
The apex court had on February 7 asked about the "correct position" of dates of completion of the ongoing construction of both these expressways after it was apprised of the "discrepancies" on dates of completion of the work.
She said Haryana was not willing to give an undertaking in this regard that the work would be completed by June this year.
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The bench, on hearing the brief submissions, listed the matter for further proceedings in April.
In December last year, the NHAI had informed the apex court that hurdles in the construction of the Eastern Peripheral Expressway were resolved in a "satisfactory manner" in Uttar Pradesh.
The court, which has been hearing a 1985 plea filed by environmentalist M C Mehta on various issues including vehicular pollution, had asked the Centre in 2005 to build a peripheral expressway around Delhi by July 2016 to decongest and "de-pollute" the national capital.
The two expressways were planned in 2006 following the top court's order to build a ring road outside the national capital for channelling non-Delhi bound traffic bypassing the city.