I don't understand Vinay's character...it creates many doubts...
1) First he was very nice all around
2) He is in rush to get married with Purvi
3) At the party at his house he asks Arjun about the earrings knowing that Arjun and Purvi don't like each other and Purvi has just resign the evening before
4) Then he ask Purvi to give company to Arjun while he gets something for Arjun, again knowing that it would be uncomfortable for them
5) Making a comment that they (ArVi) know each other tune very well and they understand each other very well. In normal case any guy would feel jealous about it.
6) Asking Arjun to put the bangles on Purvi (normally no one let other guy touch their love, and putting bangles is very significant), and then being stupid about bangles value
7) Taking Purvi to very expensive restaurant for lunch that does not suite his nature. He probably knew about Arjun's meeting venu. It could be coincidence but then touching Purvi's hand and her hair only when Arjun is around...
I am fine with it because all these things make ArVi closer but in reality normal guy would not do all these what he is doing. Please share your thoughts.