On the direction of Ministry of Home Affairs, NIA had taken over the probe into the twin blasts case from Andhra Pradesh police, and its Hyderabad branch had registered two FIRs on March 14 in connection with the case.
The information may be provided on email or by telephone call, by post or to the SP NIA, according to the agency's website.
After registration of the case, a Special Investigation Team (SIT) was constituted by the NIA Director General, comprising officers of NIA and Andhra Pradesh police and the SIT started the investigation.
Two powerful Improvised Explosive Devices (IEDs) exploded near Konark and Venkatadiri theatres in Dilsukhnagar here on the evening of February 21, claiming 17 lives and injuring over 100 people.
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Though, no one has been arrested in the twin blasts case, however, NIA has questioned two suspected IM operatives, namely, Syed Maqbool and Imran Khan.
It was also granted custody of another suspected IM operative, Obaid-ur-Rehman, in connection with the Hyderabad blasts.