Kunhalikutty filed his papers before District Collector Amit Meena who is the Returning Officer for the byelection, sources at the election cell at the Collectorate said.
The former Kerala minister is representing Vengara segment in Malappuram district in the present assembly.
The bypoll is scheduled to be held on April 12.
It was necessitated following the death of IUML leader and former union minister E Ahmed.
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