'tadīya' — tulasī, vaiṣṇava, mathurā, bhāgavata
ei cārira sevā haya kṛṣṇera abhimata
tadīya - related to the Lord; tulasī - tulasī leaves; vaiṣṇava - devotees; mathurā - the birthplace of Kṛṣṇa; bhāgavata - Śrīmad-Bhāgavatam; ei cārira - of these four; sevā - the service; haya - is; kṛṣṇera abhimata - the desire of Kṛṣṇa.
After item twenty-six (meditation), the twenty-seventh is to serve tulasī, the twenty-eighth is to serve the Vaiṣṇavas, the twenty-ninth is to live in Mathurā, the birthplace of Lord Kṛṣṇa, and the thirtieth is to read Śrīmad-Bhāgavatam regularly.