Telangana Congress working president A Revanth Reddy, who had given a bandh call to protest against TRS chief K Chandrashekar Rao's public meeting in Kodangal assembly constituency, was taken into preventive custody early Tuesday.
Reddy, who is contesting from Kodangal constituency, in the December 7 assembly polls, was released in the evening, police said.
Condemning the police action, Congress president Rahul Gandhi said the Telangana Rashtra Samithi government resorted to it "due to fear of defeat."
Reddy accusedpoliceand election officials of being "biased."
Reddy's wife, Geeta, accused the police of breaking open the doors of their house and forcibly taking away her husband to an "unknown location."
The incident drew sharp criticism from the Congress which alleged that Rao was acting like a CM of a state "under emergency."
Telangana Congress chief Uttam Kumar Reddy condemned the police action and alleged that the election officials and police were behaving in a "partial manner."