There is not any rule for chanting this mantra however it is made use of at diverse places as per the specific situation. When you are making use of it then utilize it in the way given under.  ॥ ॐ नमो भगवते रुक्मिणीवल्लभाये स्वाहा ॥ You'll discover that carrying out the https://www.youtube.com/watch?v=WG3Cevb_VHM