The bridge south of Howrah Bridge is commonly known as Vidyasagar Setu. It is the second Hooghly bridge in Kolkata and sits downstream, i.e., south of Howrah Bridge.

Quick note

  • Howrah Bridge is also called Rabindra Setu.
  • Vidyasagar Setu is the cable-stayed bridge that lies farther south over the Hooghly River.

TL;DR

Vidyasagar Setu is the name you’re looking for.