Four persons have been arrested in connection with the murder of a Karnataka Administrative Service (KAS) officer, said to be a whistleblower in some controversial land allotments by cooperative societies.
City Crime Branch police arrested the four persons, police said declining to give further details.
48-year old Mahantesh was attacked by unidentified assailants near a hotel here on May 15 and succumbed to injuries five days later at a private hospital.
Mahantesh, known for his integrity, was working as Deputy Director of the audit wing in the state's Cooperative department and had reported irregularities in different societies involving some officials and political figures.
His death triggered a public outcry and the government had assured that the culprits would be brought to book.
Initiating suo motu proceedings, the Karnataka High Court had ordered issue of notice to the Home Secretary and the City Police Commissioner based on newspaper reports regarding the death of Mahantesh, asking them to file a progress report on the matter by June 20.