@ Sushma,
There appears to be no problem with Rahu in your chart. It doesn’t need any shanti. What is needed is Kuja – Rahu sandhi shanti. This should have been done just before the start of Rahu dasa. Even now, less than a year has passed in Rahu dasa and as such, this Sandhi shanti will definitely help.
Rahu also supports marriage. You could get married in the current antara of Rahu itself. It is also likely that your old acquaintance will return shortly.
In matters of profession, Rahu can give some unexpected results since he is placed in the 8th amsa w.r.t natal lagna in dasamsa and his nakshatra lord Jupiter is retrograde. His dispositor in dasamsa is Moon who is also debilitated.
You can also consider shantis for Moon and Ketu since they are forming a Grahana yoga and can create hinderance when active.