Explanation:

 The district is rich in minerals The mineral wealth the district is constituted by sand stone & limestone. The significant portion of Dholpur and Rajakhera sub division area covered by the alluvium of the chambal velly. Vidhyanchal occurs in the range which runs from Fatehpur sikari towards Hindaun, in which the sand stone deposits area are in plenty. The red sandstone of Dholpur is considered to be of good quality and is widely used in building constructions, thus having cluster of stone cutting and carving in Bari. The district has many medium and small scale industries.The district's large scale industries namely High Tech Precision Glass Factory is prominent one in Rajasthan.