So, you should start by reciting Surah Ikhlas and Durood-E-Ibrahim as generally as is possible immediately after every single obligatory prayer (Namaz). Then it would aid for those who repeated "Wala Houla Wala Quwata, Ila Billa Hil Aliyul Azeem" not less than one thousand occasions day by day. Remember https://youtu.be/QQobSEfcCh4