So, you need to begin by reciting Surah Ikhlas and Durood-E-Ibrahim as often as possible just after each obligatory prayer (Namaz). Then it would assistance when you repeated "Wala Houla Wala Quwata, Ila Billa Hil Aliyul Azeem" at least one thousand instances everyday. Make sure to do Astagfar for https://youtu.be/qcQC0P1ztC0