Basic salary is the foundational fixed component. It matters disproportionately because PF, gratuity, HRA exemption and bonus are all calculated on it (or basic + DA). A higher basic means higher retirals (good for long-term savings, lower for take-home); a lower basic boosts in-hand but shrinks retirement corpus.
In India
The Code on Wages proposes that “wages” (basic + DA) must be at least 50% of total pay - which, once enforced, would raise PF/gratuity for many and reduce take-home. A key structural change CHROs are modelling.
In practice
Two ₹15 L packages: one with ₹6 L basic, one with ₹9 L basic. The higher-basic employee has larger PF and gratuity accrual (more long-term wealth) but somewhat lower monthly take-home today.