In a nail bitting finish, Chhewang ended up with a tally 31,111 closely followed by Raza, a former district Congress President, at 31,075.
Raza had objected to the results after which the re-counting rpt re-counting of postal ballots was done.
After complete satisfaction, the returning officer announced the results declaring Chhewang as the winner.
The Lok Sabha seat had returned Congress candidates since 1967 elections till 1996 except in 1989 when an Independent candidate Mohamad Hassan Commander was elected.
Chhewang had won in 2004 but as an Independent.
In today's election, another independent candidate Syed Mohammed Kazim stood third by polling 28,234 votes followed by Tsering Samphel of Congress with 26,402 votes.