The document describes a study that estimated the acreage of tomato cultivation in Ghorawal block of Sonbhadra district, Uttar Pradesh, India using remote sensing and GIS techniques. Sentinel 2b satellite data from October, November and December 2021 was classified using unsupervised classification. The total area calculated as being under tomato cultivation was 3637.7 acres. Unsupervised classification with 150 classes was performed on false color composite images and ground truth data was used to identify and map the area under tomato cultivation.