Karnaprayag seat election officer N Goswami said that Kumar's wife Jyoti filed her nomination papers yesterday.
The election on the Karnaprayag was postponed by the Election Commission after Kaanwasi died in a road mishap, three days before the state Assembly polls on February 15.
As per law, if candidates of recognised party die, it is countermanded and party is given time to field a new candidate and polling fixed for new date.
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