A stable synergistic herbicidal composition for management of weeds comprising a herbicidal pyrazole derivative as a first component (a) and at least one co-herbicide selected from a range of co-herbicides as a second component (b), and agriculturally acceptable formulation additives (c), wherein weight percentage of (a) is 8.5 to 80% and 25 to 76%, weight percentage of (b) is 1.5 to 15% and 5 to 14% and weight percentage of (c) is 5 to 90% and 10 to 70%.
