He said investigations have begun and the state government has appointed a probe team.
Replying to a query about inputs suggesting that a blast might take place in Hyderabad, the home minister said there was no specific alert and only a general alert was issued to the states.
To another query about the involvement of group in the blast, he said, "Such things can't be said at the moment".
The blasts triggered by IEDs took place outside a roadside eatery near Konark and Venkatadiri theatres in the area located on the Hyderabad-Vijaywada national highway in Cyberabad police limits.
