The AP government had last week constituted a Special Investigation Team (SIT) to handle cases registered against Telangana Chief Minister K Chandrasekhar Rao and others in various police stations of the state over alleged phone tapping by his government.
Accordingly, as part of further investigations into the cases, the notices were issued to 12 telecom service providers, Vijayawada Police Commissioner A B Venkateswara Rao told PTI over phone.
Some of their (telecom firms) representatives have already started appearing before the SIT. The SIT wants to know if tapping was done, has it been done after following due procedures, besides it also seeks to know under what circumstances and under whose directions the firms intercepted the phones, a senior CID official said.
"...In case interceptions (tapping) of phones was carried out, what procedures they adopted...On whose authority it has been done and whether prior permissions were taken in this regard," the official told PTI.
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Telangana nominated MLA Elvis Stephenson had earlier lodged a complaint with ACB alleging that he was offered Rs 5 crore by the TDP MLA to vote in favour of a Telugu Desam MLC nominee in Telangana Legislative Council polls held on June 1.
On June 7, a Telugu TV news channel had played an audio having purported conversation of Chandrababu Naidu with Stephenson. After this 87 cases were registered against the Telangana Chief Minister and others across Andhra Pradesh.