One person has been arrested in Tamil Nadu on charges of threatening to attack four offices of RSS in Karnataka, Home Minister Araga Jnanendra said on Tuesday.
As she used to travel in Sabari Express regularly, he presumed that she was travelling to Hyderabad, on the same train and placed the hoax call.
V Kamaleshan, former German language teacher in the school at Mudalipalayam, phoned a school teacher and told her that he had planted a bomb on the campus and hung up.
An alert on the call was received by the Government Railway Police (GRP) in Karnataka from the Railway Control Room in Agra on Tuesday evening.
The caller said that one of his male relatives on board the train had explosives in his possession.
The arrested man, identified as Ganeshan, confessed that he was in an inebriated condition when he made the call.