What Name Shall I Give This Love?

Khushi wants answers from Arnav (1x111)

: 02, 2011

Arnav and Khushi are lost in a moment of love. Khushi is curious to know how Arnav has her anklet. She tries to get him to answer all her questions, but fails to do so. Later, Arnav shocks her when he agrees to marry Lavanya in front of the guests. What is the reason behind his decision?