MBBS

Hi Surendranager,
If you complete the below-listed books and complete the test/practice papers, there are high chances that you will get through the NEET exam and get a government medical college.
Some of the popular books for NEET/AIIMS preparation are:
For biology section, please refer to the following books:
Trueman's Biology Vol. 1 & 2
Objective Biology by Dinesh
Pradeep Publications Biology
Prakash Objective Biology
A C Dutta for Botany (Oxford Publication)
GR Bathla Publications for Biology (Theory & Objective)
For Physics:
H C Verma for Physics
Aggarwals Concept of Competition Physics for CBSE PMT
NCERT Physics: CBSE PMT by Anil Aggarwal (Set of 3 Volumes)
NCERT-Physics Part 1&2
Objective Physics for Medical Entrances Examination (Volume 1 and Volume 2)
For Chemistry,
Modern ABC of Chemistry for Class 11th & 12th (Vol. 1 & 2)
Physical Chemistry by O P Tandon
Arihant Organic Chemistry
Dinesh Chemistry
Concise Inorganic Chemistry by J.D. Lee for Inorganic Chemistry
Objective NCERT at your fingertips Chemistry by MTG
Additionally, for AIIMS exam:
For GK section:
You also need to stay abreast of the latest happenings for the GK section of the exam. To achieve this, you must diligently read newspapers, subscribe to a weekly or monthly current affairs magazine and pay attention to the science sections.
And last but not the least, also refer to previous years question papers from the following sources:
Arihant AIIMS MBBS Entrance Examination (Solved Papers 2008-2016)
MTG AIIMS Explorer (17 Years Solved Papers) by Dr. Sandeep Ahlawat
AIIMS 17 years solved papers by Disha Publication

Hi Nagendra,
For pursuing MBBS course, you need to appear for the NEET exam. The eligibility for NEET is as follows:
Educational Qualification
The aspiring candidates should have passed the 12th class examination, minimum of 50% (General category) and 40% (Reserved category) in the aggregate of Physics, Chemistry and Biology from a recognized board before admission.
Also, Indian citizens, non-resident Indians, overseas citizens of India, a person of Indian origin and foreign nationals are eligible to appear in NEET (UG) 2017 and will also be eligible for 15 per cent all India quota seats. Age limit: The upper age limit of the candidates has been fixed 25 years on the date of conduct of examination in which five-year relaxation has been given to the reserved category candidates.
Age limits:
The upper age limit of the candidates has been fixed 25 years on the date of conduct of examination in which five-year relaxation has been given to the reserved category candidates.
Other Eligibility Conditions
Also, Indian citizens, non-resident Indians, overseas citizens of India, a person of Indian origin and foreign nationals are eligible to appear in NEET (UG) and will also be eligible for 15 per cent all India quota seats.
Number of Attempts
There shall be three attempts available uniformly for all the candidates in NEET examination.
If you satisfy above-mentioned conditions, then you can apply for the course.