The ruling planet of this Gem/Stone is SUN (Sunday)

What you have to do:-

Donate - Ruby or fine Red Jewel to a middle aged male at 12:00 noon on Sunady.

Fasting - On Sundays, especially during Sun transits and major or minor Sun Periods.

Mantra - "Aum hram hrim hraum sah suryaya namah." To be chanted on Sunday morning at sunrise, especially during Sun transits and major or minor Sun Periods.

This will help pleading Sun (Surya) and increase your courage and notoriety.