I think DV is acting as Ronnie... In 4th May episode, he challenged Amoli that one that she herself will come to him to say that she loves him. We all know that Amoli saying that to DV is not possible in this birth. So she will fall in love with Ronnie and say I Love you to him.
I am not saying Ronnie is a fictional character but I feel DV has kidnapped Ronnie and taken Ronnie's identity. So the proofs given are valid.Remember, he went to London.Moreover, when Ronnie was at Meerut, DV is in his place. Now since DV has gone to jail, Ronnie will stay with Harsh's family.
It is also possible that Ronnie is there is Meerut for real. Ronnie and Amoli will fall in love but DV will be back. He will kidnap/kill Ronnie and start posing as Ronnie in front of Amoli.
But after 4th May episode, I strongly feel that DV is playing some games.