The decision to appoint Thomson as advisor was taken at a recent cabinet meeting, official sources said here today.
Lambasting the government on the decision, CPI(M) veteran and state Opposition leader V S Achuthanandan said, appointing an officer with a cabinet position just days ahead of his retirement was a "challenge" to the people.
In a statement, he demanded that the government cancel the appointment of Thomson and also the promotion given to some IPS officers.
