Like many of his contemporaries, actor Ranbir Kapoor has ventured into entrepreneurship with his lifestyle brand, ARKS. To mark the occasion, he sent a gift to veteran Bollywood icon and sneaker enthusiast Amitabh Bachchan. A picture of the note, shared on ARKS' official Instagram handle, featured a heartfelt message that read, "Dearest Ranbir, My gratitude for your gift; the ARKS …