Sr. No. Desogestrel Ethinyloestradiol Assay (mg) Assay % of LC Assay (mg) Assay % of LC 1 74.41 99.2 0.783 104.5 2 74.72 99.6 0.798 106.5 3 74.62 99.7 0.789 105.2 Average 74.6 99.5 0.790 105.4 SD 0.1582 0.2646 0.0075 0.8544 % RSD 0.2 0.3 1.0 0.8

Table 7: Results and statistical data for estimation of DESO and ETHY in marketed formulation.