Bank officials are trying to determine the exact amount stolen, police said.
The culprits had covered the camera in the cabin and cut the ATM open using a welding machine, they said.
The incident occurred on December nine, police said, adding it came to their notice when they had gone to inspect an ATM which was found broken open yesterday in the same area.
A sum of Rs 3.25 was stolen from the ATM.
Seven special police teams have been formed to investigate the cases, they added.
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