Anyhow I was watching the SBB and SBS segments again, and well both segments signaled towards ArSh.
The SBS segment ended with this narrative: "Dr. Armaan par bahut jald ek baari responsibilty anay wali hai: Dr. Shilpa ki....gaana bhi to yahi kehta hai...koi khushi anay ka andaysa hai". And that khushi is Shilpa as the narrator herself said.
Now the SBB segment: "Aur kya pata Dr. Armaan ki zindagi ka naya paya Dr. Shilpa ho?"
I know it's not much and just a few comments, but still they both did end off by signalling ArSh.
Anyhow I am so sure that while ArSh=KaSh it will only be ArSh and nothing else.