hello Usha
Firstly as mars is retrograde in 7th house its mainly related to behavioral issues .
Your currently in dasa of 7th lord and also badhaka for your lagan Jupiter- your suitable period for marriage will be from july 2018 year end and feb 2019 till Oct – 2019. If 2018 misses the 2019 seems more suitable .
You are advised to offer milk to lord shiva on Mondays for 2 months.
satish
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