Its is obvious that the child is not his, and he knows whose child it is. Bechara, again misunderstood by Arohi, just when it looked like they were closer to patching this up.
what I find surprising is that Dadi knows whose child Raj is yet at the same time she is agreeing to do the paternity test. At the same time she wants Arjun to "handle" the situtation so that no one finds out the truth😲