Former actor Saira Banu Khan’s emotional social media post is making fans nostalgic. Taking to Instagram on Tuesday, she shared a carousel of her pictures with husband, late legendary actor Dilip Kumar. The day marked five years since the world lost a star. Saira Banu with Dilip Kumar. She wrote in the caption, “The most beautiful thing about life is that it never truly departs. It lingers in memories. And memories, unlike time, are faithful companions. They return unbidden, carrying every smile, every glance, every word, as though nothing has ever truly been lost. To remember someone is perhaps the purest proof that they have never been forgotten. I often believe that Sahib bestowed upon me a treasure beyond measure before he took leave of this earthly world: a treasury of memories so rich that I shall spend the remainder of my days living amongst them.” Stressing on the significance of the date, the 81-year-old continued, “On this day, the 7th of July, 2021, Dilip Kumar left not only me, but an entire world that …