ei mantre dvapare kare krsnarcana
ei mantre—by this mantra; dvapare—in the age of Dvapara; kare—perform; krsna-arcana—the worship of Lord Krsna; krsna-nama-sankirtana—chanting of the holy name of Lord Krsna; kali-yugera dharma—the occupational duty in the Age of Kali.
"By this mantra, the people worship Lord Krsna in the Dvapara-yuga. In the Kali-yuga the occupational duty of the people is to chant congregationally the holy name of Krsna.
As stated in Srimad-Bhagavatam (12.3.51):
kaler dosa-nidhe rajann
asti hy eko mahan gunah
kirtanad eva krsnasya
mukta-sangah param vrajet
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