As you want t take admission in MBBS from at AIIMS and for the same here asking for its UG entrance exam , so I am telling same for you :

Key dates
AIIMS MBBS 2016 Application Form is available from 15 February 2016
Last date to apply online and submit the form 15 March 2016
Status of Registration including rejection / deficiencies in application on AIIMS website 30 March 2016
Last date for complying with deficiencies in application as indicated 08 April 2016
Date of MBBS entrance exam 29 May 2016

Fee
General - Rs 1000.00 + Transaction Fees (as applicable)
Other Backward Classes [OBC : Both Creamy and Non-creamy Layers] - Rs 1000.00 + Transaction Fees (as applicable)
Scheduled Caste [SC] - Rs 800.00 + Transaction Fees (as applicable)
Scheduled Tribe [ST] - Rs 800.00 + Transaction Fees (as applicable)

Eligibility:

Applicants who have passed / appearing / appeared for 12th class examination or its equivalent with the subjects of English, Physics, Chemistry & Biology and with 60% marks (50% for SC/ST candidates) in aggregate.

Age:-

Applicants have attained or will attain the age of 17 (seventeen) years as on the 31st of December of the year of admission (2016). Candidates born on or after 2nd January, 2000 are NOT eligible to apply.

Exam Pattern:
AIIMS Undergraduate Entrance Exam will be of 3½ hours duration and will have one paper consisting of 200 objective type (multiple choice and reason- assertion type) questions from subjects of Physics, Chemistry, Biology and General Knowledge.

Subject - Number of Questions

•Physics - 60 questions
•Chemistry - 60 questions
•Biology (Botany and Zoology) - 60 questions
•General Knowledge - 20 questions

Question paper will be provided either in English or in Hindi according to the choice marked during application.

Marking Scheme:-

•Each incorrect response will get a score of- 1/3 (minus-one-third).
•Each correct response will get a score of 1 mark.
•No credit will be given for the questions not answered.
•More than one response will be treated as a wrong answer and negatively marked.