The group had announced in 2016 that it would sell the property to realty firm RMZ Corp, but the deal could not be concluded.
It is now in the advanced stage of talks with Canada- based Brookfield Asset Management to sell Equinox Business Park, which has four buildings, the sources said.
The deal is expected to close this month for around Rs 2,400 crore, they said, adding that Essar would utilise the entire sale proceeds to repay loans.
The group has already reduced its debt by Rs 72,600 crore following the completion of the Essar Oil sale to Rosneft and a consortium of Trafigura and UCP.
More From This Section
In April last year, Ruias-led Essar Group also announced the sale of its BPO company Aegis Ltd to Singapore-based private equity fund manager Capital Square Partners for an estimated USD 300 million.
The agreement with the Bengaluru-based RMZ lapsed because the two parties were unable to agree on final terms even after 23 months from the signing of the agreement.
Recently, realty major DLF's promoters concluded the sale of their 40 per cent stake in rental arm DLF Cyber City for nearly Rs 12,000 crore.