In all, 153 candidates filed their nominations yesterday, Chief Electoral Officer of the state F R Kharkongor said, adding that today is the last date for filing papers.
Mukul Sangma, the chief minister of the north-eastern state since 2010, will be contesting from two seats. He filed his papers for the Ampati seat today and will file his nomination for the Songsak seat in East Garo Hills district tomorrow, party officials said.
He is seeking re-election for the fifth time from Ampati in South West Garo Hills district, they added.
Mukul Sangma's wife Dickanchi D Shira also filed her nomination from the Mahendraganj seat.
Agatha Sangma and her brother Thomas A Sangma, a former MP, also filed their nominations.
Agatha will contest from the South Tura seat, while Thomas will be fighting from the North Tura seat.
NCP state president Saleng Sangma also filed his nomination from the Gambegre seat.
The other prominent candidates who filed their papers are state minister R V Lyngdoh and former Assembly speaker B M Lanong.
Former state ministers A L Hek and J A Lyngdoh and ex-NCP state president Sanbor Shullai, all of whom had joined the BJP last month, also filed their nominations in the state capital.