hey,

i hope you are well

after completing your MBBS you may doctor of medicine (MD) /master of surgery (MS or have diploma in various specializations such as for MD - aerospace medicine , anatomy , anesthesia , biochemistry, community medicine, dermatology , vernerology and leprosy, family medicine and many more

for MS - ENT , general surgery, obstetrics and gynaecology , ophthalmology and orthopaedics

diploma courses are - anesthesia, clinical pathology, DVL, ENT, health education , immunohaematology, obstetrics and gynaecology, occupational health, opthalmology, orthopaedics, paediatrics and many more

for more information kindly go through the link mentioned below

https://medicine.careers360.com/articles/what-after-mbbs

good luck!