The fifth seeds from India brushed aside David and Wee Wern 11-8 11-5 for their second win in as many matches in Pool D. Pallikal and Chinappa face Megan Craig and Kylie Lindsay of New Zealand in their last league match later today.
David is a legend of the game and on Monday retained her singles title at the Commonwealth Games.
Pallikal and Saurav Ghosal are scheduled to play 12th seeds Samantha Cornett and Shawn Delierre from Canada in the mixed doubles later today.
Pallikal had reached the singles quarterfinals and Ghosal became the first Indian to reach the semifinals at the Games.