who are the key leaders supporting gagan thapa?

I couldn't retrieve the latest news about the key leaders supporting Gagan Thapa due to a timeout in the search. However, Gagan Thapa is a prominent leader in Nepali politics, often associated with the Nepali Congress party. Typically, his support base includes senior party leaders and youth leaders within the party who share his reformist and progressive vision. If you want, I can try searching again or provide background information on his political alliances.