Khushi brand

That is a straight-cut cotton kurti from the Khushi brand.
Here are some details based on the image:
* Color: Yellow/Mustard Yellow (A bright, greenish-yellow hue)
* Fabric: Cotton (As specified by you)
* Brand: Khushi
* Style: Straight Kurti
* Sleeve Length: Appears to be an elbow-length or three-quarter sleeve that has been rolled/cuffed up.
* Neckline: Round neck with a small keyhole cutout fastened by a pink/red button or fabric detail.
* Pattern: The fabric has a subtle, all-over small, geometric or woven design, which gives it a textured look.