Native himself may be elder sibling in family and if not, he will have to behave like eldest in the family. If he refuses to behave like elder in the family, he himself will suffer in life. He will never be able to save any wealth for himself or own family.
After marriage, his in laws family will prosper in general.
The condition for Mars to give benefic results as per Lal Kitab is that Mercury should not connect to this Mars as per Lal Kitab rules.
If Mars is malefic in second house as per Lal Kitab rules, native will suffer miserably in life and may die in some accident or fight.
Lal Kitab suggests that one should be caring in nature and should not refuse others for help else this Mars can give malefic results. There is no other remedy mentioned in Lal Kitab for Mars in second house.
If you have Mars in second house and having some problems in regards to wealth and savings, please ask for spiritual remedies for immediate relief.
S Kuber RA
Vedic and Lal Kitab Astrologer