Solanki defeated England's Brandon Daord 3-0 to make the final and assure himself of at least a silver medal.
However, Leichombam Bhimchand Singh (49kg) and Prayag Chauhan (64kg) settled for bronze medals after losing in the semifinal.
Bhimchand went down to Ireland's Stephen McKenna, while Prayag also lost to an Irishman in Aidan Walsh to bow out of the showpiece.