How to get record based on the Two Column Group WONO, AssortSLNo & Based on the Total need SecID

How to get Unique SecID row based on the WO, AssortSLNo, TL ColumnTable

SecID    WONo   AssortSLNo     TL   11       46       1            35976    12       46       1            34593    9        46       3            14639    23       46       1            12761    87       46       3            34738    74       46       2            30575    2        46       1            29952    67       46       2             8993    

Result

SecID   WONo    AssortSLNo       TL 11      46         1           35976    Higest Value74      46         2           30575    87      46         3           34738