The 16th century Azimganj Serai is on its way to a complete revival. The monument, which is located within the Delhi zoo complex, was in ruins for decades. It has 108 vaults, of which many were crumbling away. And the work to consolidate and stabilize the structure started in phases nearly two years ago. They are being repaired, and restored wherever necessary said sources. The serai is being conserved for the first time.