"This is an exercise (which has been) going on since 1947 and the proforma procedure was formalised in 1957 by Delhi Police," the Union Parliamentary Affairs Minister said here.
Congress protested strongly in the Rajya Sabha on the issue of "snooping" over Gandhi by Delhi Police.
Taking potshots at Congress, Naidu said its leaders protesting over routine issue in the House is nothing but "scoring self goal by the party and it is boomeranging on them.
In fact, the then Finance Minister had hired a private detective agency to unravel the bugging device installed in his office. After receiving the complaint, the then PM has instructed the IB to do a thorough probe.
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Defending the exercise of preparing database of important person, Naidu said former Prime Minister Rajiv Gandhi, who was killed in a bomb blast, was identified by the shoe he was wearing.
The proforma for collating information for maintaining profiles of leaders was revised in 1999 through which the Delhi Police seek personal information including the dress and shoes usually worn, moustache/beard, colour of the eye, special identification of marks, gait, education, date of birth, etc.