Why did Priyanka Chopra send her Ex-Boyfriend a legal notice ?

From Desi girl to Hollywood, Priyanka Chopra is doing her best at the movies. She was constantly linked with the king Khan of Bollywood. It was rumoured that they were dating each other and were spotted at every event together. But before that, she was dating Aseem Merchant. She is said to have dumped him after she became Miss World. They were again in the news, when Aseem announced his plan to make a movie on his life. On this, Priyanka sent a legal notice to Aseem. What do you guys think about this ?