The mortal remains of Malayala Manorama Chief Editor K M Mathew who died on Sunday was cremated with full state honours at Puthenpally Church cemetery in Kottayam this evening.Several thousands of people from different walks of life paid rich tributes to K M Mathew. Earlier, the body was kept at his residence at Kanjikuzhi and later at the Malayala Manorama office to enable the people to pay homage.