Mangala is the commander among the grahas — the significator of courage, physical energy, siblings (especially brothers), and one's capacity for decisive action. A strong Mars gives drive, protective instinct, and technical skill.

COURAGE, ENERGY & SIBLINGS
Mangala is the commander among the grahas — the significator of courage, physical energy, siblings (especially brothers), and one's capacity for decisive action. A strong Mars gives drive, protective instinct, and technical skill.
Strong: Bestows courage, physical vigor, protective strength, success in competition, and good relations with siblings.
Weak: May cause low energy, timidity, lack of drive, and strained or absent relationships with siblings.
Afflicted: Can bring aggression, accidents or injuries, disputes and conflict, and impulsive decision-making (classically linked to Mangal Dosha for marriage).
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