Here's the breakdown of the description you provided:
Style: Casual Wear
Sleeve Length: 3/4 Sleeve
Neckline: Mandarin Neck
Length: Ankle Length
Gown Style: Chiffon Gown
Based on the description, it appears to be a casual wear chiffon gown in mustard color. The gown features 3/4 sleeves and a Mandarin neckline, which is a high, close-fitting collar that typically stands upright. The gown is styled as an Anarkali, which is a type of dress with a flared silhouette and multiple panels. The gown is made of chiffon fabric, known for its lightweight and flowy nature. The length of the gown is described as ankle-length, indicating it reaches the ankles.
Please note that without any additional information, such as specific design or further details, it's challenging to provide a more comprehensive description or locate the exact item.