krtyah
kṛta-kṛtyaḥ — the most perfect in his endeavors; BG 15.20
kṛta-kṛtyaḥ — performed all kinds of ritualistic ceremonies; SB 9.17.12
kṛtyāḥ — their duty; SB 11.5.17
kṛta-kṛtyāḥ — perfect in the execution of duties by complete surrender to the Supreme Lord; SB 11.17.10