The bank showcased human-sized robot Ira, developed in association with Kochi-based Asimov Robotics, and said it will be deployed at a city branch within a fortnight.
HDFC's head of digital banking Nitin Chugh refused to share more details on the tasks the robot would carry out. He only said it will not replace jobs done by humans.
An August 2016 media report had said the robot will perform a limited role and act largely as a receptionist, though the humanoid can also move around in the branch.
City Union Bank last year introduced robot 'Lakshmi', which uses artificial intelligence to handle 125 topics.
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HDFC Bank today also launched the second edition of a summit which offers a platform for start-ups to showcase their innovations aimed at helping the bank.
Chugh said the bank is specifically looking for solutions that can be used for rural operations, as a large part of its customer base is there.
The bank is also looking at deploying artificial intelligence tools for serving the rural areas, he said.
Internet of Things, virtual reality and blockchain technologies are other areas where the bank will be looking for solutions from the participating start-ups, he said.