Sai helping Devkit to marry without anybody knowing about it can spoil the situation much. Virat who will be in Team A now. I am saying it will spoil the situation as Bhavani and her team has ample of evidences to prove her wrong. She has the Sangeeta Deshpande evidence and also that fake messages, apart from that she also has Virat on her side saying that he himself saw the name of Sangeeta Deshpande on the paper. Even the college is closed, so she cant find out the documents
Now Sai has no evidence with her apart from the trust. Even Bhavani can do a case, and Sai will be held responsible for all this. According to my view point, Sai should do something, due to which Bhavani and her team will utter the truth. I think Holi was the best time, People had a drink and so she could have used the moment to find out the truth. but the step she has taken right now is more troublesome for her. She is going to marry Devyani without her mother's permission, and the mother is Kaku and she has forgotten that.
Now Virat has also seen her with Devyani, now Virat will understand wrong only even though he doesn't wants to think the same. As per the situation Virat is right, Sai is also right. Two sides of the same coin, but the truth has a perspective. What we believe in, is the truth
See for Pakhi, truth is what Kaku says to her. She believes in Kaku, so the truth is What she tells to her. She will also believe if Kaku said that Devyani had an intimate relationship with Somebody else than Pulkit and Harini is that child. (PP will always believe Kaku blindly and consider this as truth)
For Sai, she believes in Devkit, so the truth for her is Pulkit is a nice man. The same Pulkit is treated as terrorist by CNs. Truth also had a perspective. We can't force others to believe our truth. Its just like the case of THE GLASS IS HALF FULL, HALF EMPTY. If you say empty, then you believe in the emptiness. If you believe in the fullness, then the glass in half full
Same goes for Virat, he believes to collect the evidence, though he didn't check the authenticity of the letter, but he believed the evidence his eyes saw. One can obviously believe in his eyes. So for him Pulkit is a criminal, but for him previously he also knew that Pulkit is a nice man, but that niceness overpowered the evidence. Because his eyes are greater than the aura he feels.