"We strongly condemn the police repression. Our democratic right to express dissent is being suppressed," said Vivek, who along with Jagannatham recently quit Congress to join the TRS.
TRS chief K Chandrasekhara Rao's daughter Kavitha, who heads TRS' cultural wing Telangana Jagruthi, and her supporters, were arrested when they reached Indira Park, three kilometres from the assembly building. TRS MLAs climb legislature building
"Thousands of people will reach here and march towards the assembly," she told reporters before she was arrested and was taken away in a police vehicle.
TRS leader Swami Goud and others were arrested near Jubliee Bus Station in Secunderabad.
Bharatiya Janata Party (BJP) leader NVS Prabhakar and his supporters were taken into custody when they tried to proceed towards the assembly.
Earlier, police arrested 30 activists of the Communist Party of India (CPI) after raiding the party office. A CPI leader was also injured in the baton charge.