While specific details of Nirvan and Arhaan Khan's recent evening walk with a pet aren't available in current news reports, we can explore their public presence and activities based on available information.

Nirvan Khan and Arhaan Khan, belonging to the prominent Khan family of Bollywood, often capture media attention. Nirvan is the son of Sohail Khan, while Arhaan is the son of Arbaaz Khan and Malaika Arora. Despite not being directly involved in the film industry as actors, their lives and activities are frequently followed by fans and media outlets.

Recently, Nirvan and Arhaan recreated an iconic bike scene from the movie "Hello Brother," originally featuring Salman Khan and Arbaaz Khan. This lighthearted recreation was shared on social media and garnered attention, demonstrating their connection to the film industry and their willingness to engage with popular culture. Arhaan's photo dump on Instagram, which included the "Hello Brother" recreation with Nirvan, drew a reaction from his mother, Malaika Arora, showing the family's close-knit dynamic.

Although information regarding their specific interactions with pets is not available, it's safe to assume, given their family background and public image, that they share an appreciation for animals. Many celebrities own pets and are often seen photographed with them, highlighting the human-animal bond. Unfortunately, without specific news of their evening walk, further details cannot be accurately provided.