Dear C S N,
Best career has many connotations to it, like careers can be very satisfying but not creating great wealth, or careers which gives you lots of status but may not be good for family life.
You should pursue a medical field or medicine related domain. If you can take a business role where you are communicating and dealing with more people on a day to day business then you will see stability and growth.
To give just one example, you can work in a company which sell medical products or medicines and be involved in sales or business development where you need to talk to many people on a day to day basis.
Exchange yoga of 2nd and 6th house, with Mars lord of 2nd and 8th house in 6th house. Saturn in lagna with Rahu in 7th house, Jupiter lord of 10th and lagna in 11th house and aspecting 7th house.