Diclofenac a non steroidal anti inflammatory analgesic marketed under different trade names. Diclofenac can also be used to treat chronic pain associated with cancer. It is also present in market with different combinations. Dynapar is one of the leading brand of diclofenac having several competitors in market. In which stage of PLC dynapar is present. what should be different strategies to compete it from its competitors. which brand is best in diclofenac.