As per chandrakala nadi an ancient nadi system of predictions, often rajyog commonly present in most of horoscope do not give effects if aspected by malefic like Saturn. this is one of reason people have good horoscopes still have face obstacles in life. Specially if rajyog is caused by venus and in particular if it is malvya yog, venus in Kendra or trikona aspected by Saturn. One of the punch mahapurush yoga normally causes other rajyoga too.