by worshiping — SB 4.24.7plugin-autotooltip__small plugin-autotooltip_bigŚrīmad Bhāgavatam 4.24.7
Although Mahārāja Antardhāna was engaged in performing sacrifices, because he was a self-realized soul he very intelligently rendered devotional service to the Lord, who eradicates all the fears of His devotees. By thus worshiping the Supreme Lord, Mahārāja Antardhāna, rapt in ecstasy, attained His planet very easily.
" 'Whatever is achieved by meditation in Satya-yuga, by the performance of yajña in Tretā-yuga or by the worship of Kṛṣṇa's lotus feet in Dvāpara-yuga is also obtained in the Age of Kali simply by chanting and glorifying Lord Keśava.'