A field experiment on "Response of mustard to different levels and sources of sulphur" was carried out at Agronomy Instructional Farm, Chimanbhai Patel College of Agriculture, Sardarkrushinagar Dantiwada Agricultural University, Sardarkrushinagar during rabi 2019-20. The soil of the experimental field was loamy sand in texture, low in organic carbon and available nitrogen, medium in available phosphorus and potash as well as low in available sulphur. The experiment comprising of twelve treatment combinations comprising four sources (Gypsum; Bentonite; SSP and Cosavet) and three levels (20 kg S/ha; 40 kg S/ha and 60 kg S/ha) of sulphur evaluated in Randomized Block Design (RBD) with factorial concept and replicated three times. Mustard variety Gujarat Dantiwada Mustard 4 was taken as test crop.