Kindly refer to the following links:

What is Ruqyah and how should one do it?   (website)

What is ruqya & Can I have others do ruqya on me?

Ruqyah for Evil Eye, Black Magic, etc.

Ruling on Ruqyah

How to perform Ruqyah (blowing)

When to blow when we recite the verses of ruqya?

Is Ruqya Healing or Protection 

Can we make Ruqya for Protection? 

Afflicted with black magic or evil eye?

Ruqya for the house

Asking others to do Ruqyah for you

Asking others to do Ruqya would exclude you from 70 thousand who would go to Jannah without account

Providing ruqya services and charging money & making a business out of it

Are people who practice ruqya excluded from 70,000. The problem of learning Islam through translation 

Listening to Ruqya vs Reciting

Does listening to Ruqya have the same effect as someone reciting ruqya in person? 

Can we listen to ruqya instead of recite it?

Ruqyah Long Distance?

Can I doRuqya on Food& Water for my In-laws to improve our relationship? 

How to do Ruqya on others?

Is the ruqyah working?

Asking others to make Ruqyah

Listening to Ruqya vs Reciting