niratah

nirataḥ engaged; BG 18.45
nirataḥ always engaged; SB 1.7.9
nirataḥ engaged in; SB 3.9.17
niratāḥ constantly engaged; SB 3.32.6
sva-dharma-niratāḥ fully engaged in their respective occupational duties; SB 9.10.50
nirataḥ always attached; SB 10.70.26
nirataḥ constantly endeavoring to realize; SB 11.29.41-44