For Mercury or Budha related problems and during the Dasha and AntarDasha of Mercury:
1. Worship Lord Vishnu.
2. Recite Vishnu Sahasranama Stotra.
3. Japa of the Budha Moola Mantra:
Om bram breem broum sah budhaya namah,
Jap to be done 17000 times in 40 days with various colors of flowers.
4.Recite the Budha Stotra:
Priyangu kalika shyaamam roopena pratimam budham
Soumyam soumya gunopetam tam budham pranamamyaham.
5. Donating green pulses i.e. Urad dal on Wednesday. Donating green leaves (Palak) to cows on Wednesday. Donating to orphan homes. Charities to poor students. Brahmins (or poor people) with paddy cooked in milk. Deep green clothes, green pumpkin and other green vegetables and articles, Bangles and clothes of green color to Eunuchs. (in modern days, this would have to be the people with low sex drives or impotent or frigid individuals) are to be donated.
6. Fasting to be done on Wednesday.
7. Watering a Tulsi tree on Wednesday or daily except Sundays.
8. Helping and serving sister, daughter, parents' sisters (aunts) and so on.
9. Rudraksha: Wear a 4 or 10 Mukhi Rudraksha.
10. Wear Gemstone related to Mercury i.e. Green Emerald.
11. Recite 35th chapter of Sundara kanda from Valmiki Ramayana.