niṣevayā
- by constant service — SB 7.4.42
- by dint of service — SB 4.21.40
- by worship — Madhya 3.6
sattva-niṣevayā
- by developing brahminical qualifications or the mode of goodness — SB 7.15.24
tat-puruṣa-niṣevayā
- by engaging his life in the service of Kṛṣṇa’s representative — SB 6.1.16