Panic gripped passengers on Friday morning after an alert about suspected terrorists on board the Falaknuma Express.
The train, which was heading from Howrah to Secunderabad, was halted at Ghatkesar railway station.
Teams from the Railway Protection Force (RPF), Government Railway Police (GRP) and Ghatkesar local police launched a joint
search operation, combing through every coach.
The checks, which had continued for nearly over an hour, caused anxiety among passengers.
Officials said there were no suspicious persons onboard or any explosive substances found.
They are now on the job to trace and identify the informer and suspect it could be a hoax.