Mumbai, May 28 (ANI): Bollywood beauty Diya Mirza launched the trailer of her first production venture 'Bobby Jasoos' at a grand event held in Mumbai. The trailer was unveiled in the presence of real detectives, including India's first lady private detective, Rajani Padnit and the entire cast and crew of the film. On the occasion Diya expressed her happiness and said that it was a very proud moment for her. 'Bobby Jasoos' conveys the journey of a female detective played by national award winning actress, Vidya Balan. Vidya who will be seen in 12 different looks said that she had the most precious experience of her life in the film. Directed by Samar Shaikh and produced by Dia and her fiance Sahil Sangha, 'Bobby Jasoos' will hit theatres on July 4.