Thanks to those Navagraha doshas, persons deal with various obstructions & hindrances in their daily life. As a way to minimize and negate the malefic doshas or malefic influence of these planets, we carry out several Pujas & Yagnas. Yet another etymology suggests that valga suggests "to paralyze" and symbolizes https://www.youtube.com/shorts/5VeSyP9JRw0