kriyayam

kriyāyām — the activities of worshiping the Lord or performing ritualistic ceremonies; SB 5.8.14
kriyāyām — in Kriyā; SB 6.18.3-4
sva-kriyāyām — in one's own prescribed duties; SB 7.12.23
kriyāyām — in devotional activities; SB 10.2.36