Actress-producer Dia Mirza says she plans to produce romantic drama and coming of age films. Dia co-owns Born Free Entertainment with her husband Sahil Sangha and they have produced films like Love Breakups Zindagi and Bobby Jasoos. Now she plans to come up with an interesting slate of movies. "We are working on dramas - one is a romantic drama, coming-of-age film," Dia told PTI. The 35-year-old…