India, June 10 -- An unidentified senior public servant is among officials under the Central Bureau of Investigation (CBI)'s radar for allegedly seeking Rs.3 crore bribe from an accused in a multi-crore counterfeit drug manufacturing racket for "favourable relief" through his contacts and influence in the agency, officials said on Wednesday.

The agency arrested Delhi police inspector Pradeep Singh in the bribery case while he was allegedly accepting the first instalment of the bribe. The senior public servant allegedly met with N Raja alias Valliappan, the accused, along with Singh and another intermediary in Delhi.

The CBI has been investigating N Raja since March on charges of criminal conspiracy, adulteration of drugs, cheating, and ...