Rawat was accompanied by by Pradesh BJP president Tirath Singh Rawat and former chief minister Ramesh Pokhariyal Nishank as he filed his nomination for the seat before Returning Officer P C Dumka.
Trivendra is pitted against Hira Singh Bisht of the Congress on the seat where bypoll was necessitated after Nishank who represented it in the state assembly was elected to the Lok Sabha recently from Haridwar.
The other three who filed their nominations from the seat are all independents including Sadiq Ali, Rishi Kumar and William Akbar.