Mehbooba and Singh laid floral wreaths on the coffins of the three officers at a ceremony held at police control room here.
Several other top dignitaries including ministers, Chief Secretary B R Sharma and Director General of Police K Rajendra Kumar were present at the function.
(REOPENS DES 29)
Mehbooba said such "dastardly acts" are against basic tenets of humanity and should be condemned by one and all.
"Such attacks are attempts by vested interests to derail the peace and reconciliation process started by the state government in Jammu and Kashmir, which will also impact the economy at a time when the tourism activity had started picking up in the state," she said.