Due to those Navagraha doshas, people today deal with a variety of obstructions & hindrances within their lifestyle. In an effort to reduce and negate the malefic doshas or malefic influence of those planets, we execute different Pujas & Yagnas. An additional etymology suggests that valga implies "to paralyze" and https://www.youtube.com/shorts/5VeSyP9JRw0