Claiming that they are Income Tax officials, they gained entry into the house of Basheer in Singanallur area early yesterday to conduct a 'raid'. They then opened an almirah and found a locker, but could not prise it open due to some problem, police said.
They then asked the trader to accompany them and left with the locker in two cars, police said.
At Neelambur area on the National Highway, they forced him to get out and fled.
They are carrying out probe to ascertain the actual amount of cash and jewellery in the locker, police said.