Former Lok Sabha speaker and National People's Party (NPP) candidate Purno Agitok Sangma and sitting Congress MP Vincent H. Pala are leading in Tura and Shillong constituencies in Meghalaya.
Counting of votes is in progress.
Sangma is leading by 30,000 votes against Congress candidate Daryl William Cheran Momin.
Sangma, who is also the NPP chief met BJP's prime ministerial candidate Narendra Modi and assured him of his support in forming the NDA-led government.
Former union minister Vincent H. Pala is leading by a margin of 25,262 votes against Independent candidate P.B.M. Basaiawmoit in the Shillong constituency.