You have an open mind and you balance out all opinions with facts. Generally you will be pretty cool even in panic driven situations.
The fields of study which will be suitable to you as per your chart are finance and accounts, risk analysis, banking and insurance, non banking financial institutions, administration etc. You will excel would be pretty good in these fields.
You can further expand on the list based on your qualifications, skills and interest. You will have a prosperous and satisfactory professional career.
Tula Lagna with the Lagna lord Venus posited in the twelfth house in debilitation conjunct Sun and retrograde Mercury; mars, Moon and Rahu posited in the Lagna; Fourth and fifth lord retrograde Saturn posited in the fifth house.