Radha Radheti Radheti Radha Krishneti - Brihad Naradiya Purana

Radha Radheti Radheti Radha Krishneti - Brihad Naradiya Purana

rādhā rādhēti rādhēti rādhākr̥ṣṇēti vai pun.
pratyahaṅ paṭh pāñcāli phalaṅ nām sahasrakam.

- Brihad Naradiya Purana

O Draupadi! Immerse yourself in ceaseless chanting, uttering these sacred names:'Radha! Radha! Radha Krishn!' The mere chanting of 'Radha', even once, grants spiritual benefits equivalent to reciting the entire Shri Vishnu 
Sahastranam.