Sanil (33) was critically injured on June 20 when the autorickshaw in which he was travelling turned turtle after its driver lost its control on a road near Mundakkayam in the district.
He was rushed to a private hospital in Chemmanakari near Vaikom for advanced medical care. But his condition became serious last night and was put on ventilator support.
Sanil, a bachelor, died at 2 am, police said.
He was working as senior reporter of a newly launched Malayalam news channel in Kochi. He had earlier worked as reporter of various Malayalam news channels in various places including New Delhi, Kottayam, Idukki and Kochi.