Hii,. 

MBBS is always being a good choice over bds, this field of Medicine offers 100 percent placement, after graduation in MBBS degree its your choice and interst that what you want to do,,either you can do MD or MS for broad scope and career with satisfactory salary or else you can start your venture in jobs in medical colleges and Hospitals as a graduate doctor.

Salary depends purely upon your skills and Quality of knowledge you have. You can earn a handsome salary even with your mbbs degree with MD or MS,, if your hands are really set into this profession,and after gaining years of experience in this profession.

Choice is yours. 

Good luck.