The sacrificial hymns invoke वायु , with his thousands of steeds, for the first taste of pure सोम , urging him to bless with wealth and progeny [rv-7-92-1 ] rv • Book 7 . इन्द्र and वायु are invited to drink, acknowledging priests' devotion [rv-7-92-2 ] rv • Book 7 . वायु is entreated to enrich and protect the worshippers in battles against enemies, promising prosperity and vigor [rv-7-92-3 ] rv • Book 7 .