You current period is saturn Jupiter till June 2019
And this period is suitable to marriage.
Good chance in 2018 period between feb 2018 and july 2018 are also suitable .
Mars the 7th lord is weak but improves position in navamsa .
But its good star. And planets connected with marriage too are in good stars.
So happy marriage
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Although your 7th lord Mars is debilitated in Rasi chart it is exalted in the Navamsa chart forming a neech bhang raj yoga.Your 7th house has a Sarvastakvarga score of 30 in Rasi chart and 29 in Navamsa chart.Planet Venus has 4 bindus in Rasi chart and 6 bindus in Navamsa.