I doubt that would happen. We've gotten negative on here A LOT, but usually our fears are proven wrong and the story is somewhat salvaged, so I don't think it would go that far. Also, like the others said, Shravani (I think her name is Pooja) isn't strong enough to play the third lead. Her expressions in the promo were laughable.
You see Sushant's amazing acting and expressions which convey so much without even dialogues (ex: in the garage when he hurt his hand and Archana was helping him, the expressions were just perfect) and Ankita who is very convincing as Archana (whenever I watch I just want to believe her, even with the ridiculous writing of her character she plays the part very well).
Compared to that Shravani (who I'm sorry, but is very plain looking) has pretty novice dialogue delivery and expressions. When she was standing next to Manav she just looked as blank as a cardboard cutout. She did well reacting to and playing off of Sachin though (but he's gone now). Same goes for Satish. Yesterday, over here they aired the episode where Archana signs the divorce papers, and I couldn't even take it seriously because I was laughing so hard at Satish's expressions.
I really don't think they will take the story that far though.