If Shukar (Venus) is retrograde with Rahu in the 11th house, which is the house of gains. You need to do astrological remedies of Venus for financial gains. These can include doing the been mantra of Shukar. You can also donate Sugar, milk, rice and fruits every Friday to a Brahmin.
Blessings,
Navneet Khanna
Vedic Astrologer