In this सुक्त , a plea is made to इन्द्र and अग्नि to guide adherents on the righteous path of sacrifice and secure victory over adversaries [rv-10-57-1 ] rv • Book 10 . The hymn invokes the spirit of सुबन्धु to return and engage in pious deeds, with blessings from the gods and ancestors [rv-10-57-2 ] rv • Book 10 . सोम is implored to bestow concentration and life functions, favoring progeny [rv-10-57-6 ] rv • Book 10 .