Hey Tohfatul, 

MBBS (Bachelor of Medicine and Bachelor of Surgery) Is a 5.5 years (4.5 years academic study and 1 year internship) undergraduate degree course in medical and health care. 

Yes you are perfectly eligible for admission to the course through NEET as the eligibility criteria for this course says that you must have scored minimum 50% marks (45% for Physically Handicapped and 40% for reserved category candidates) in the 10+2 examinations from a recognized school or board with Physics  Chemistry, Biology and English as compulsory subjects.

Good Luck !