Below is the vashikaran mantra that has to be siddh before its use.
Stand in the water up to belly before sunrise and chant this mantra for 108*21 turn. Do it for 31 days. You will get it sidhh, now you can use it.
"Om sreem bhairvi bhadrakshi atman sarvjan vak chakshu, srotra man stambhay stambhay badhy badhy
mam shabdanugrah drashay drashay dristipathat sammohanay sammohanay kuru kuru swaha."