Vishnu's Own Conch, and a Vessel for Holy Water

The shankha holds a specific theological standing in Vaishnava tradition as one of the four objects Vishnu carries in his four hands, alongside the discus, mace and lotus, and Vishnu's own conch is given the personal name Panchajanya in the epic literature, so the instrument a temple priest blows is understood to echo an attribute of the god himself rather than functioning only as a generic ritual noisemaker.

Beyond its use as a horn, a shankha is also used as a vessel, held to pour water during specific rites, and water that has touched a consecrated shankha is treated in some traditions as itself acquiring a measure of sanctity, extending the object's ritual function beyond sound alone. Right spiraling shankhas, far rarer in nature than the common left spiraling form, are considered especially auspicious and command significantly higher value and reverence when found, a distinction based on a genuine, naturally occurring but uncommon variation in the shell's growth. Shankhas are also kept and displayed as household devotional objects even when not actively blown, placed on a home shrine alongside other sacred items as a recognised mark of Vaishnava devotion within a family. A shankha kept for household devotion is generally cleaned and handled with the same care given to any other consecrated object on a home shrine.