You need Training exercises in the area of life where Ketu falls in your Chart. Also, You have to be like a Drilling machine there. You have to Drill deep and win over Frustration to gain satisfactory results in that area.
• Ketu in 1H: Mental health and Anger control
• Ketu in 2H: Money Management, Personal Finance, and Cooking. Also, It will be great if you get some training in skincare.
• Ketu in 3H: In communication, Calligraphy, writing and Meditation to control your Mind (thinking) which either becomes Ultra fast or Ultra Slow!
• Ketu in 4H: Meditation, Designing especially interior and Painting
• Ketu in 5H: Training on painting, need to curb Shyness and over-expressiveness, Acting, writing, and also everything which is Artistic
As we know it's impossible to be Aries without 5H and 9H or Leo and Sagittarius placement.
Impossible to be Mrigashira without 10H or Capricorn placements.
It's also impossible to be ROHINI without Pisces or 12H Placement, especially in D9 ...
Find Pisces or 12H placement in D1, D9, D108, and Moon Chart.
I have seen Strong Pisces Energy in their married life so You can also Look Venus Chart here. Absolutely of both D1 and D9 if can then D108 and D81 too.
And Here I have shared some Random Rohini Charts too ...