There isn't any rule for chanting this mantra but it is utilized at distinct spots According to the problem. Should you be making use of it then utilize it inside the manner specified beneath.  ॥ ॐ नमो भगवते रुक्मिणीवल्लभाये स्वाहा ॥ Compose the aforementioned mantra over a bit of paper, fold https://www.youtube.com/watch?v=WG3Cevb_VHM