Dia Mirza: Purpose over trend, 25 years on. Actor Dia Mirza Rekhi, 25 years into her career, says she chooses projects based on story impact and character depth. Buoyed by her show Operation Safed Sagar, she also champions environmental causes as a UN SDG Advocate and UNEP Goodwill Ambassador, and views fashion as a medium for cultural storytelling rooted in heritage.