how to find if someone is involved in doing black magic to me

I experienced lot of suffering from may to end of august. I had to quit my job as one of my collegues insulted me for misbehavior. After that incident i went to doctor and found that i was anemic , had lost weight and developed dry skin in my palms. I had lot of internal struggle and the thoughts that were coming was highly impure in nature. I could not sustain in my job and hence resigned later. my struggle continued untill i travelled to my home country india and vistited holy places. My question here is

1. did someone do the black magic to me ?