Batches were done on sonicator using different natural resources like common marigold flower, rose, pomegranate rind, walnut. And batches for common marigold flower 10, 15 20 & 25 days were taken at room temperature. Analysis was done on UV spectrophotometer. Results showed that sonicator gave good results for common marigold flower as compared to day’s batches. Pre mordanting dyeing was done on khadi cotton cloth.